CA2742890A1 - Implant for the fusion of vertebral column segments - Google Patents
Implant for the fusion of vertebral column segments Download PDFInfo
- Publication number
- CA2742890A1 CA2742890A1 CA2742890A CA2742890A CA2742890A1 CA 2742890 A1 CA2742890 A1 CA 2742890A1 CA 2742890 A CA2742890 A CA 2742890A CA 2742890 A CA2742890 A CA 2742890A CA 2742890 A1 CA2742890 A1 CA 2742890A1
- Authority
- CA
- Canada
- Prior art keywords
- implant
- monolithic
- passages
- implant according
- sintering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
- A61F2/446—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or elliptical cross-section substantially parallel to the axis of the spine, e.g. cylinders or frustocones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
- A61F2/4465—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages having a circular or kidney shaped cross-section substantially perpendicular to the axis of the spine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/4455—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages
- A61F2/447—Joints for the spine, e.g. vertebrae, spinal discs for the fusion of spinal bodies, e.g. intervertebral fusion of adjacent spinal bodies, e.g. fusion cages substantially parallelepipedal, e.g. having a rectangular or trapezoidal cross-section
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30006—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in density or specific weight
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30011—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in porosity
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30003—Material related properties of the prosthesis or of a coating on the prosthesis
- A61F2002/30004—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis
- A61F2002/30028—Material related properties of the prosthesis or of a coating on the prosthesis the prosthesis being made from materials having different values of a given property at different locations within the same prosthesis differing in tissue ingrowth capacity, e.g. made from both ingrowth-promoting and ingrowth-preventing parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
- A61F2002/30113—Rounded shapes, e.g. with rounded corners circular
- A61F2002/30116—Rounded shapes, e.g. with rounded corners circular partial circles, i.e. circular segments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30112—Rounded shapes, e.g. with rounded corners
- A61F2002/30133—Rounded shapes, e.g. with rounded corners kidney-shaped or bean-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/3011—Cross-sections or two-dimensional shapes
- A61F2002/30138—Convex polygonal shapes
- A61F2002/30153—Convex polygonal shapes rectangular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/30205—Three-dimensional shapes conical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30108—Shapes
- A61F2002/30199—Three-dimensional shapes
- A61F2002/3028—Three-dimensional shapes polyhedral different from parallelepipedal and pyramidal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30317—The prosthesis having different structural features at different locations within the same prosthesis
- A61F2002/30321—The prosthesis having different structural features at different locations within the same prosthesis differing in roughness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30593—Special structural features of bone or joint prostheses not otherwise provided for hollow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
- A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30604—Special structural features of bone or joint prostheses not otherwise provided for modular
- A61F2002/30616—Sets comprising a plurality of prosthetic parts of different sizes or orientations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/30769—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth madreporic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30772—Apertures or holes, e.g. of circular cross section
- A61F2002/30784—Plurality of holes
- A61F2002/30785—Plurality of holes parallel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
- A61F2002/30795—Blind bores, e.g. of circular cross-section
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2/30907—Nets or sleeves applied to surface of prostheses or in cement
- A61F2002/30909—Nets
- A61F2002/30911—Nets having a honeycomb structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
- A61F2002/3092—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth having an open-celled or open-pored structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30952—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using CAD-CAM techniques or NC-techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2/30942—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques
- A61F2002/30953—Designing or manufacturing processes for designing or making customized prostheses, e.g. using templates, CT or NMR scans, finite-element analysis or CAD-CAM techniques using a remote computer network, e.g. Internet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30968—Sintering
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/3097—Designing or manufacturing processes using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30978—Designing or manufacturing processes using electrical discharge machining [EDM]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/3094—Designing or manufacturing processes
- A61F2002/30985—Designing or manufacturing processes using three dimensional printing [3DP]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0006—Rounded shapes, e.g. with rounded corners circular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0004—Rounded shapes, e.g. with rounded corners
- A61F2230/0015—Kidney-shaped, e.g. bean-shaped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0017—Angular shapes
- A61F2230/0019—Angular shapes rectangular
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0067—Three-dimensional shapes conical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0015—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in density or specific weight
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0023—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in porosity
- A61F2250/0024—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in porosity made from both porous and non-porous parts, e.g. adjacent parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0025—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in roughness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0051—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in tissue ingrowth capacity, e.g. made from both ingrowth-promoting and ingrowth-preventing parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/006—Additional features; Implant or prostheses properties not otherwise provided for modular
- A61F2250/0064—Sets comprising a plurality of prosthetic parts of different sizes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00011—Metals or alloys
- A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to an optical lens shaped into the form of a shroud and having a light-permeable front side (11) and a side wall (12) adjacent thereto, wherein the side wall (12) and the front side (11) constitute different components of the optical lens (1) that are bound together through injection molding.
Description
Implant for the fusion of vertebral column segments Description The invention relates to a monolithic implant for the fusion of vertebral column segments according to the combination of features of patent claim 1.
Implants for the fusion of vertebral columns are general prior art.
For instance, WO 2006/079356 Al discloses an implant for the transforaminal interbody fusion of lumbar vertebral column segments. An engagement part is provided on or in the implant which, according to the invention, is constructed as a pivot joint so as to allow an easier implantation process by means of an auxiliary device. Preferably, the implant body is made of a bioelastic plastic material, especially polyetheretherketone (PEEK). The sickle-shaped implant body comprises at least one filling hole between the sickle walls in order to receive a large volume of bone substance.
It also known, however, to produce such implants of metal, especially titanium. Basically, this material allows the surrounding bone and tissue structures to grow together with the implant, but not yet to an extent that would make operating surgeons regard the properties of this implant material as fully developed.
The production of a dental implant made of titanium is described, for instance, in DE 103 15 563 Al. The implant structure includes a prefabricated base body for joining the implant structure to the dental implant and an individually adapted main body. The invention is aimed at forming the main body by sintering or melting a material provided in a powdery form onto the base body in layers by means of laser sintering and/or laser melting. Preferably, the material used is powdery titanium or a titanium containing powder or a powder of a titanium alloy.
Implants for the fusion of vertebral columns are general prior art.
For instance, WO 2006/079356 Al discloses an implant for the transforaminal interbody fusion of lumbar vertebral column segments. An engagement part is provided on or in the implant which, according to the invention, is constructed as a pivot joint so as to allow an easier implantation process by means of an auxiliary device. Preferably, the implant body is made of a bioelastic plastic material, especially polyetheretherketone (PEEK). The sickle-shaped implant body comprises at least one filling hole between the sickle walls in order to receive a large volume of bone substance.
It also known, however, to produce such implants of metal, especially titanium. Basically, this material allows the surrounding bone and tissue structures to grow together with the implant, but not yet to an extent that would make operating surgeons regard the properties of this implant material as fully developed.
The production of a dental implant made of titanium is described, for instance, in DE 103 15 563 Al. The implant structure includes a prefabricated base body for joining the implant structure to the dental implant and an individually adapted main body. The invention is aimed at forming the main body by sintering or melting a material provided in a powdery form onto the base body in layers by means of laser sintering and/or laser melting. Preferably, the material used is powdery titanium or a titanium containing powder or a powder of a titanium alloy.
Based on the foregoing it is the object of the present invention to provide an implant for the fusion of vertebral column segments, which grows together with the bone and tissue material, which is in direct contact with the surface of the implant, in an improved manner. At the same time, the implant is constructed in such a way that a fast and cost-efficient production of the implant is possible.
The solution to the object is achieved with a monolithic implant for the fusion of vertebral column segments according to the combination of features defined in patent claim 1 and with a method for producing the monolithic implant according to patent claim 23. The dependent claims define at least useful embodiments and further developments.
According to the invention at least parts of the surface of the implant have a structure-forming porosity, and the volume of the implant has a high density.
Further, the implant volume includes a number of direction-oriented passages and/or randomly arranged passages pointing in different directions. The passages are surrounded, limited and/or interrupted by stabilizing surfaces that increase the stability of the implant.
The partially structure-forming porosity of the surface of the implant allows surrounding bone, cartilage or tissue material to grow together with the implant more easily. In this context, porosity is not only the simple presence of small channels in the millimeter or micrometer range on a basically smooth surface, but it likewise implies an irregular arrangement of material involving the presence of roughness.
The porosity is only provided on the surface of the implant so that the basic structure of the implant has, at the same time, a high density. Usefully, the inner surfaces of the passages have the structure-forming porosity as well.
Usefully, the partial areas of the implant volume, which include direction-oriented passages and/or randomly arranged passages pointing in different directions, are formed over an as large as possible, stability-uncritical area.
Thus, a relatively large implant surface area is obtained, which is provided with holes. Through these holes the bone and tissue material can additionally be joined to the implant.
Usefully, the passages are formed on both sides, that is, passages are provided both on the upper side and lower side of the implant. The upper and lower side of the implant are those surfaces of the implant that point to the adjacent vertebral bodies in the implanted state.
A number of direction-oriented passages which are arranged side by side and/or of randomly arranged passages pointing in different directions are surrounded, limited and/or interrupted by stabilizing surfaces so as to guarantee the stability of the implant despite the presence of the passages.
For instance, the edge of the implant may be entirely formed as a stabilizing surface. In other embodiments a stabilizing surface is provided, which divides the total surface area of the number of direction-oriented passages arranged side by side or randomly arranged passages into two partial areas.
Preferably, the described direction-oriented or randomly arranged passages are formed as a honeycomb structure. These hexagonal cavities represent an optimum ratio of the surface of the so produced passage to the stability of the structure that limits the cavity.
It is also possible, however, to form the passages by web connections interleaved into each other or realize the passages in the form of cylindrical channels, wherein the shape of a circular cylinder represents in this regard an embodiment that is easiest to realize in terms of geometry.
Starting from the largest surface side of the monolithic implant the passages usefully extend in a vertical direction. In a particularly preferred embodiment of the present invention the direction-oriented course of the passages is interrupted by at least one clearance. This material-saving construction improves the elasticity of the implant if forces act vertically on the largest surface side.
The clearance may be provided in the area of the center of the implant thickness. In this context, the implant thickness is regarded as the dimension that defines the distance of two vertebrae adjacent to the implant from above and below.
Furthermore, it is possible that the direction-oriented course of the passages is interrupted by at least one stabilizing surface.
However, as was described before, also a random arrangement of the passages is possible. This means that the entirety of the passages do not point in a predetermined direction, but are seemingly arranged completely at random next to each other and one above the other. Such a configuration of the passages comes closest to the natural structure of the cancellous bone.
The course of the randomly arranged passages can likewise be interrupted by a clearance or a stabilizing surface.
The lateral faces and/or edges of the implant, which are the first ones to come into contact with the surrounding bone, tissue or cartilage material during the implantation process, preferably have a smoother surface as compared with the surfaces of the implant having a structure-forming porosity. By this, the implantation process is considerably improved because the implant does not "rub" against surrounding bones and tissue pieces and, on the one hand, does not cause damage to the latter and, on the other hand, facilitates the introduction process into the space provided by removing a spinal disc.
Depending on the field of application and operation method used the implant can have different basic shapes.
For instance, kidney shapes, sickle shapes, pin shapes and cuboid shapes are conceivable as basic shapes. The kidney shape as basic shape is used for the fusion of vertebral bodies in the region of the lumbar vertebrae, while the pin shape is suited for the cervical vertebrae or lumbar vertebrae. The sickle shape as basic shape is particularly suited for a so-called TLIF operation technique.
Moreover, the monolithic implant preferably has a slightly wedge-shaped profile, on the one hand, in order to facilitate the implantation process and, on the other hand, in order to comply with the curved shape of the vertebral column.
The surfaces of the implant having a structure-forming porosity have a roughness of 150 pm to 400 pm. A medium roughness of 200 pm was determined to be a particularly preferred degree of roughness.
The monolithic implant further comprises at least one bore for fixing surgical instruments, so that the implant can be inserted easily into the vertebral column.
Moreover, at least one hole is provided in the implant which serves to administer bone replacement material or pastes. The holes are arranged to allow access to the holes by cannulas, syringes or similar auxiliary means in the implanted state. Of particular importance is here the addition of bone replacement material, by means of which it is achieved that the implant and the surrounding vertebral column segments grow together in an enhanced manner.
Depending on the size and chosen basic form the described monolithic implant for the fusion of vertebral column segments is suited for the implantation by means of the posterior lumbar intervertebral fusion operation technique (PLIF) as well as for the implantation by means of the anterior lumbar intervertebral fusion operation technique (ALIF) as well as for the implantation by means of the thoracolumbar intervertebral fusion operation technique (TLIF). Thus, the great advantages of the present invention, namely an enhanced growing together of the implant and the surrounding bone and tissue structures along with an improved stability of the implant during operations can be made use of in the entire spinal area.
In a particularly preferred embodiment the monolithic implant is constructed such that a base body specified with respect to the geometric dimensions of the implant is provided first, so that the stability of the implant and the adaptation to the general anatomical conditions of the partial area of the vertebral column to be attended to are given anytime. In addition, partial areas of the implant are defined as so-called configuration segments, which can be designed variably according to the different customer wishes because these configuration segments are uncritical with respect to stability and can be implanted, for instance, at a smaller size or with a modified geometrical shape. For instance, the operating surgeon can determine the dimensions of the tip of an implant having a pin shape as basic shape. Consequently, the implant can be produced according to the operation habits of the operating surgeon and possible anatomical abnormalities of the patient.
The monolithic implant according to the invention is produced in the course of a sintering method and/or an electron beam melting method. The sintering method and the electron beam melting method each comprise several steps.
Initially, the geometrical data of the implant have to be available in a three-dimensional form and processed as cross-sectional data, so that a step-wise fusion of sintering material applied to a base plate in the form of successive horizontal cross-sections is accomplished by means of energy supplied by a beam source and a corresponding cooling after the energy supply and the fusion of a powder layer. Initially, a thin powder layer is applied to the base plate for each individual cross-sectional layer. The sintering powder is dispensed by a powder dispenser and is smoothed by a roller or a doctor blade. The powder layer is then fused in correspondence with the respective dimensions of the cross-sectional layer by means of energy supplied by a beam source, and is cooled afterwards. The energy supplied by the beam source only acts on the powder particles to be solidified, i.e. which represent a material particle of the later implant. Subsequently, the next cross-sectional layer is applied to the lowered base plate and the already fused material and is fused, again, by means of a supply of energy. The processing takes place layer by layer in a vertical direction.
The sintering powder used in the described method is, for instance, a titanium powder. This material is a standard material in the production of implants and is above all characterized by its biocompatibility and the high stability.
It is also possible, however, to use powdery titanium alloys, ceramic powder or polyetheretherketone powder.
The beam source used in the production method is preferably a laser source.
The use of an electron beam source is possible as well. If a laser source is used, inter alia, more precise structures can be produced as compared with an electron beam source. The choice with respect to the used beam source thus depends, for instance, on the respective geometrical shape of the monolithic implant.
The aforementioned lateral faces and/or edges of the implant with a smooth surface can be produced after the sintering process in a post-processing step by means of milling machines, polishing machines or turning lathes.
The described production method is particularly suited for the production of several implants having different dimensions in one sintering process. Other than in conventional production methods, e.g. milling, the process according to the sintering method does not require retooling in correspondence with the dimensions of the workpiece to be produced or the loading of different programs for CNC milling. Therefore, it is possible to produce only those implants that are actually needed, and there is no need for producing a plurality of implants with identical dimensions in one operating cycle and storing them subsequently.
If a doctor wants to order a monolithic implant and has special wishes concerning the variably designable configuration segments it is provided by another aspect of the invention that he inputs these dimensions into a predefined mask on a website, and that these data are transmitted to the manufacturer by means of data transmission, where the data are converted to the required cross-sectional data, which are, again by data transmission, transmitted to the sintering plant, where the implant is produced by a sintering method.
After a few days already the orderer receives the produced, customized implant and need not put up with long delivery periods, as is common practice if implants are to be produced according to the customer's wish.
The invention shall be explained in more detail below by means of several embodiment examples and with the aid of figures, wherein:
Fig. 1 shows a representation of a monolithic kidney-shaped implant;
Fig 2 shows a representation of a monolithic pin-shaped implant;
Fig. 3 shows a representation of a monolithic cuboid-shaped implant;
Fig. 4 shows a representation of a monolithic sickle-shaped implant;
Fig. 5 shows a vertical sectional view of a kidney-shaped monolithic implant; and Fig. 6 shows a vertical sectional view of a cuboid-shaped monolithic implant.
Fig. 1 shows a substantially kidney-shaped monolithic implant for the fusion of vertebral column segments. The direction-oriented passages 1 are well recognizable, which shall be illustrated in the form of a honeycomb structure in the representations to follow.
The direction-oriented passages 1 are surrounded by a stabilizing surface 2, and the total number of the direction-oriented passages 1 are additionally interrupted by another stabilizing surface 2. The structure-forming porosity of the surface is not illustrated in the figures, which is also provided on the inner surfaces of the honeycomb structure.
The stabilizing surfaces 2 have the purpose of providing the implant with sufficient stability, despite the great number of direction-oriented passages 1, for the implant to remain permanently in the human body.
In the illustrated example, the direction-oriented passages 1 extend in a vertical direction, starting from the largest surface side 3 of the monolithic implant.
The bore 4 and holes 5 on the lateral face of the implant are intended, on the one hand, for fixing surgical auxiliary means during the operation and, on the other hand, for administering bone replacement material or pastes.
The illustrated kidney shape 6 as basic shape is above all suited if the so-called ALIF operation method is used.
Fig. 2 illustrates a monolithic implant with a pin shape 7 as basic shape. In this embodiment, too, a large portion of the implant volume is provided with direction-oriented passages 1. Noticeable are here the lateral faces 2, which do not completely limit the number of the direction-oriented passages 1 at the lateral area of the implant, but provide for more stability by a narrow web 8 only in the area of the center of the implant thickness. To facilitate the introduction during the implantation process this monolithic implant has a tip 9. In this case, the tip 9 has a smoother surface as compared with the surfaces having the structure-forming porosity, as the tip is the first one to contact the surrounding bone, cartilage and tissue materials during the implantation process. Due to the smooth surface the implantation process can be facilitated additionally. This implant example can be used, above all, for the PLIF operation method.
Fig. 3 shows an embodiment with a cuboid shape 10 as basic shape. As is already illustrated in Fig. 2, the direction-oriented passages 1 have stabilizing surfaces in the form of a web 8 only in the area of the center of the implant thickness.
A sickle shape 11 as basic shape for the monolithic implant is shown in Fig.
4, which can be implanted according to the TLIF operation method.
The sectional view (Fig. 5) of an implant having a kidney shape 6 as basic shape shows that the direction-oriented course of the passages 1 are interrupted by a clearance 12. The clearance 12 serves, on the one hand, the saving of material and, on the other hand, the increased elasticity when the surfaces of the implant are acted on by a force.
As is shown in Fig. 6, the direction-oriented course of the passages 1 may not only be interrupted by a clearance 12, but also by a stabilizing web 8.
In the illustrated/described embodiments, the illustrated/described monolithic implants for the fusion of vertebral column segments were produced by an electron beam melting method or a laser sintering method, with titanium powder being used as sintering powder. As a result of the sintering method surfaces with a structure-forming porosity were obtained.
This surface formation also pertains to the inner surfaces of the passages. A
roughness of the surface of 42 pm was obtained.
List of Reference Numbers 1 direction-oriented passages 2 stabilizing surface 3 largest surface side 4 bore hole 6 kidney shape as basic shape 7 pin shape as basic shape 8 web 9 tip cuboid shape as basic shape 11 sickle shape as basic shape 12 clearance
The solution to the object is achieved with a monolithic implant for the fusion of vertebral column segments according to the combination of features defined in patent claim 1 and with a method for producing the monolithic implant according to patent claim 23. The dependent claims define at least useful embodiments and further developments.
According to the invention at least parts of the surface of the implant have a structure-forming porosity, and the volume of the implant has a high density.
Further, the implant volume includes a number of direction-oriented passages and/or randomly arranged passages pointing in different directions. The passages are surrounded, limited and/or interrupted by stabilizing surfaces that increase the stability of the implant.
The partially structure-forming porosity of the surface of the implant allows surrounding bone, cartilage or tissue material to grow together with the implant more easily. In this context, porosity is not only the simple presence of small channels in the millimeter or micrometer range on a basically smooth surface, but it likewise implies an irregular arrangement of material involving the presence of roughness.
The porosity is only provided on the surface of the implant so that the basic structure of the implant has, at the same time, a high density. Usefully, the inner surfaces of the passages have the structure-forming porosity as well.
Usefully, the partial areas of the implant volume, which include direction-oriented passages and/or randomly arranged passages pointing in different directions, are formed over an as large as possible, stability-uncritical area.
Thus, a relatively large implant surface area is obtained, which is provided with holes. Through these holes the bone and tissue material can additionally be joined to the implant.
Usefully, the passages are formed on both sides, that is, passages are provided both on the upper side and lower side of the implant. The upper and lower side of the implant are those surfaces of the implant that point to the adjacent vertebral bodies in the implanted state.
A number of direction-oriented passages which are arranged side by side and/or of randomly arranged passages pointing in different directions are surrounded, limited and/or interrupted by stabilizing surfaces so as to guarantee the stability of the implant despite the presence of the passages.
For instance, the edge of the implant may be entirely formed as a stabilizing surface. In other embodiments a stabilizing surface is provided, which divides the total surface area of the number of direction-oriented passages arranged side by side or randomly arranged passages into two partial areas.
Preferably, the described direction-oriented or randomly arranged passages are formed as a honeycomb structure. These hexagonal cavities represent an optimum ratio of the surface of the so produced passage to the stability of the structure that limits the cavity.
It is also possible, however, to form the passages by web connections interleaved into each other or realize the passages in the form of cylindrical channels, wherein the shape of a circular cylinder represents in this regard an embodiment that is easiest to realize in terms of geometry.
Starting from the largest surface side of the monolithic implant the passages usefully extend in a vertical direction. In a particularly preferred embodiment of the present invention the direction-oriented course of the passages is interrupted by at least one clearance. This material-saving construction improves the elasticity of the implant if forces act vertically on the largest surface side.
The clearance may be provided in the area of the center of the implant thickness. In this context, the implant thickness is regarded as the dimension that defines the distance of two vertebrae adjacent to the implant from above and below.
Furthermore, it is possible that the direction-oriented course of the passages is interrupted by at least one stabilizing surface.
However, as was described before, also a random arrangement of the passages is possible. This means that the entirety of the passages do not point in a predetermined direction, but are seemingly arranged completely at random next to each other and one above the other. Such a configuration of the passages comes closest to the natural structure of the cancellous bone.
The course of the randomly arranged passages can likewise be interrupted by a clearance or a stabilizing surface.
The lateral faces and/or edges of the implant, which are the first ones to come into contact with the surrounding bone, tissue or cartilage material during the implantation process, preferably have a smoother surface as compared with the surfaces of the implant having a structure-forming porosity. By this, the implantation process is considerably improved because the implant does not "rub" against surrounding bones and tissue pieces and, on the one hand, does not cause damage to the latter and, on the other hand, facilitates the introduction process into the space provided by removing a spinal disc.
Depending on the field of application and operation method used the implant can have different basic shapes.
For instance, kidney shapes, sickle shapes, pin shapes and cuboid shapes are conceivable as basic shapes. The kidney shape as basic shape is used for the fusion of vertebral bodies in the region of the lumbar vertebrae, while the pin shape is suited for the cervical vertebrae or lumbar vertebrae. The sickle shape as basic shape is particularly suited for a so-called TLIF operation technique.
Moreover, the monolithic implant preferably has a slightly wedge-shaped profile, on the one hand, in order to facilitate the implantation process and, on the other hand, in order to comply with the curved shape of the vertebral column.
The surfaces of the implant having a structure-forming porosity have a roughness of 150 pm to 400 pm. A medium roughness of 200 pm was determined to be a particularly preferred degree of roughness.
The monolithic implant further comprises at least one bore for fixing surgical instruments, so that the implant can be inserted easily into the vertebral column.
Moreover, at least one hole is provided in the implant which serves to administer bone replacement material or pastes. The holes are arranged to allow access to the holes by cannulas, syringes or similar auxiliary means in the implanted state. Of particular importance is here the addition of bone replacement material, by means of which it is achieved that the implant and the surrounding vertebral column segments grow together in an enhanced manner.
Depending on the size and chosen basic form the described monolithic implant for the fusion of vertebral column segments is suited for the implantation by means of the posterior lumbar intervertebral fusion operation technique (PLIF) as well as for the implantation by means of the anterior lumbar intervertebral fusion operation technique (ALIF) as well as for the implantation by means of the thoracolumbar intervertebral fusion operation technique (TLIF). Thus, the great advantages of the present invention, namely an enhanced growing together of the implant and the surrounding bone and tissue structures along with an improved stability of the implant during operations can be made use of in the entire spinal area.
In a particularly preferred embodiment the monolithic implant is constructed such that a base body specified with respect to the geometric dimensions of the implant is provided first, so that the stability of the implant and the adaptation to the general anatomical conditions of the partial area of the vertebral column to be attended to are given anytime. In addition, partial areas of the implant are defined as so-called configuration segments, which can be designed variably according to the different customer wishes because these configuration segments are uncritical with respect to stability and can be implanted, for instance, at a smaller size or with a modified geometrical shape. For instance, the operating surgeon can determine the dimensions of the tip of an implant having a pin shape as basic shape. Consequently, the implant can be produced according to the operation habits of the operating surgeon and possible anatomical abnormalities of the patient.
The monolithic implant according to the invention is produced in the course of a sintering method and/or an electron beam melting method. The sintering method and the electron beam melting method each comprise several steps.
Initially, the geometrical data of the implant have to be available in a three-dimensional form and processed as cross-sectional data, so that a step-wise fusion of sintering material applied to a base plate in the form of successive horizontal cross-sections is accomplished by means of energy supplied by a beam source and a corresponding cooling after the energy supply and the fusion of a powder layer. Initially, a thin powder layer is applied to the base plate for each individual cross-sectional layer. The sintering powder is dispensed by a powder dispenser and is smoothed by a roller or a doctor blade. The powder layer is then fused in correspondence with the respective dimensions of the cross-sectional layer by means of energy supplied by a beam source, and is cooled afterwards. The energy supplied by the beam source only acts on the powder particles to be solidified, i.e. which represent a material particle of the later implant. Subsequently, the next cross-sectional layer is applied to the lowered base plate and the already fused material and is fused, again, by means of a supply of energy. The processing takes place layer by layer in a vertical direction.
The sintering powder used in the described method is, for instance, a titanium powder. This material is a standard material in the production of implants and is above all characterized by its biocompatibility and the high stability.
It is also possible, however, to use powdery titanium alloys, ceramic powder or polyetheretherketone powder.
The beam source used in the production method is preferably a laser source.
The use of an electron beam source is possible as well. If a laser source is used, inter alia, more precise structures can be produced as compared with an electron beam source. The choice with respect to the used beam source thus depends, for instance, on the respective geometrical shape of the monolithic implant.
The aforementioned lateral faces and/or edges of the implant with a smooth surface can be produced after the sintering process in a post-processing step by means of milling machines, polishing machines or turning lathes.
The described production method is particularly suited for the production of several implants having different dimensions in one sintering process. Other than in conventional production methods, e.g. milling, the process according to the sintering method does not require retooling in correspondence with the dimensions of the workpiece to be produced or the loading of different programs for CNC milling. Therefore, it is possible to produce only those implants that are actually needed, and there is no need for producing a plurality of implants with identical dimensions in one operating cycle and storing them subsequently.
If a doctor wants to order a monolithic implant and has special wishes concerning the variably designable configuration segments it is provided by another aspect of the invention that he inputs these dimensions into a predefined mask on a website, and that these data are transmitted to the manufacturer by means of data transmission, where the data are converted to the required cross-sectional data, which are, again by data transmission, transmitted to the sintering plant, where the implant is produced by a sintering method.
After a few days already the orderer receives the produced, customized implant and need not put up with long delivery periods, as is common practice if implants are to be produced according to the customer's wish.
The invention shall be explained in more detail below by means of several embodiment examples and with the aid of figures, wherein:
Fig. 1 shows a representation of a monolithic kidney-shaped implant;
Fig 2 shows a representation of a monolithic pin-shaped implant;
Fig. 3 shows a representation of a monolithic cuboid-shaped implant;
Fig. 4 shows a representation of a monolithic sickle-shaped implant;
Fig. 5 shows a vertical sectional view of a kidney-shaped monolithic implant; and Fig. 6 shows a vertical sectional view of a cuboid-shaped monolithic implant.
Fig. 1 shows a substantially kidney-shaped monolithic implant for the fusion of vertebral column segments. The direction-oriented passages 1 are well recognizable, which shall be illustrated in the form of a honeycomb structure in the representations to follow.
The direction-oriented passages 1 are surrounded by a stabilizing surface 2, and the total number of the direction-oriented passages 1 are additionally interrupted by another stabilizing surface 2. The structure-forming porosity of the surface is not illustrated in the figures, which is also provided on the inner surfaces of the honeycomb structure.
The stabilizing surfaces 2 have the purpose of providing the implant with sufficient stability, despite the great number of direction-oriented passages 1, for the implant to remain permanently in the human body.
In the illustrated example, the direction-oriented passages 1 extend in a vertical direction, starting from the largest surface side 3 of the monolithic implant.
The bore 4 and holes 5 on the lateral face of the implant are intended, on the one hand, for fixing surgical auxiliary means during the operation and, on the other hand, for administering bone replacement material or pastes.
The illustrated kidney shape 6 as basic shape is above all suited if the so-called ALIF operation method is used.
Fig. 2 illustrates a monolithic implant with a pin shape 7 as basic shape. In this embodiment, too, a large portion of the implant volume is provided with direction-oriented passages 1. Noticeable are here the lateral faces 2, which do not completely limit the number of the direction-oriented passages 1 at the lateral area of the implant, but provide for more stability by a narrow web 8 only in the area of the center of the implant thickness. To facilitate the introduction during the implantation process this monolithic implant has a tip 9. In this case, the tip 9 has a smoother surface as compared with the surfaces having the structure-forming porosity, as the tip is the first one to contact the surrounding bone, cartilage and tissue materials during the implantation process. Due to the smooth surface the implantation process can be facilitated additionally. This implant example can be used, above all, for the PLIF operation method.
Fig. 3 shows an embodiment with a cuboid shape 10 as basic shape. As is already illustrated in Fig. 2, the direction-oriented passages 1 have stabilizing surfaces in the form of a web 8 only in the area of the center of the implant thickness.
A sickle shape 11 as basic shape for the monolithic implant is shown in Fig.
4, which can be implanted according to the TLIF operation method.
The sectional view (Fig. 5) of an implant having a kidney shape 6 as basic shape shows that the direction-oriented course of the passages 1 are interrupted by a clearance 12. The clearance 12 serves, on the one hand, the saving of material and, on the other hand, the increased elasticity when the surfaces of the implant are acted on by a force.
As is shown in Fig. 6, the direction-oriented course of the passages 1 may not only be interrupted by a clearance 12, but also by a stabilizing web 8.
In the illustrated/described embodiments, the illustrated/described monolithic implants for the fusion of vertebral column segments were produced by an electron beam melting method or a laser sintering method, with titanium powder being used as sintering powder. As a result of the sintering method surfaces with a structure-forming porosity were obtained.
This surface formation also pertains to the inner surfaces of the passages. A
roughness of the surface of 42 pm was obtained.
List of Reference Numbers 1 direction-oriented passages 2 stabilizing surface 3 largest surface side 4 bore hole 6 kidney shape as basic shape 7 pin shape as basic shape 8 web 9 tip cuboid shape as basic shape 11 sickle shape as basic shape 12 clearance
Claims (31)
1. Monolithic implant for the fusion of vertebral column segments, wherein - at least parts of the surface of the implant have a structure-forming porosity, - the volume of the implant has a high density, further - the implant volume includes a number of direction-oriented passages and/or randomly arranged passages pointing in different directions (1), and - the passages (1) are surrounded, limited and/or interrupted by stabilizing surfaces (2) that increase the stability of the implant.
2. Monolithic implant according to claim 1, characterized in that the passages (1) are formed as a honeycomb structure.
3. Monolithic implant according to claim 1 or 2, characterized in that the passages (1) are formed by web connections interleaved into each other.
4. Monolithic implant according to one of claims 1, 2 or 3, characterized in that the passages (1) are formed by cylindrical channels.
5. Monolithic implant according to one of the preceding claims, characterized in that starting from the largest surface side (3) of the monolithic implant the passages (1) extend in a vertical direction.
6. Monolithic implant according to one of the preceding claims, characterized in that the course of the passages (1) is interrupted by at least one clearance (12).
7. Monolithic implant according to claim 6, characterized in that the clearance (12) is provided in the area of the center of the implant thickness.
8. Monolithic implant according to one of the preceding claims, characterized in that the course of the passages (1) is interrupted by at least one stabilizing surface (2).
9. Monolithic implant according to one of the preceding claims, characterized in that the lateral faces and/or edges of the implant, which are the first ones to come into contact with the surrounding bone, tissue or cartilage material during the implantation process, have a smoother surface as compared with the surfaces of the implant having a structure-forming porosity.
10. Monolithic implant according to one of the preceding claims, characterized in that the implant substantially has a kidney shape (6) as basic shape.
11. Monolithic implant according to one of claims 1 to 9, characterized in that the implant substantially has a pin shape (7) as basic shape.
12. Monolithic implant according to one of claims 1 to 9, characterized in that the implant substantially has a cuboid shape (8) as basic shape.
13. Monolithic implant according to one of claims 1 to 9,
14 characterized in that the implant substantially has a sickle shape (11) as basic shape.
14. Monolithic implant according to one of the preceding claims, characterized in that the implant has a wedge-shaped profile.
14. Monolithic implant according to one of the preceding claims, characterized in that the implant has a wedge-shaped profile.
15. Monolithic implant according to one of the preceding claims, characterized in that the surfaces of the implant having a structure-forming porosity have a roughness of 150 pm to 400 pm.
16. Monolithic implant according to one of the preceding claims, characterized in that the surfaces of the implant having a structure-forming porosity have a roughness of 200 pm.
17. Monolithic implant according to one of the preceding claims, characterized in that the implant comprises at least one bore (4) for fixing surgical instruments.
18. Monolithic implant according to one of the preceding claims, characterized in that the implant comprises at least one hole (5) for administering bone replacement material or pastes.
19. Monolithic implant according to one of the preceding claims, characterized in that the implant is used for an implantation carried out by means of the posterior lumbar intervertebral fusion operation technique.
20. Monolithic implant according to one of claims 1 to 18, characterized in that the implant is used for an implantation carried out by means of the anterior lumbar intervertebral fusion operation technique.
21. Monolithic implant according to one of claims 1 to 18, characterized in that the implant is used for an implantation carried out by means of the thoracolumbar intervertebral fusion operation technique.
22. Monolithic implant according to one of the preceding claims, characterized in that the implant is comprised of a base body specified with respect to the geometrical dimensions of the implant and configuration segments variably designable according to customer wishes.
23. Method for producing a monolithic implant according to one of claims 1 to 22, characterized in that the implant is produced in the course of a sintering method, wherein the three-dimensional form of the monolithic implant is obtained by a step-wise fusion of sintering material applied to a base plate in the form of successive horizontal cross-sections by means of energy supplied by a beam source and a corresponding cooling after the energy supply and the fusion of a powder layer.
24. Method according to claim 23, characterized in that the sintering material is a titanium powder.
25. Method according to claim 23, characterized in that the sintering material is a powdery titanium alloy.
26. Method according to claim 23, characterized in that the sintering material is a ceramic powder or polyetheretherketone powder.
27. Method according to one of claims 23 to 26, characterized in that the beam source is a laser.
28. Method according to one of claims 23 to 26, characterized in that the beam source is an electron beam source.
29. Method according to one of claims 23 to 28, characterized in that the lateral faces and/or edges of the implant with a smooth surface are obtained after the sintering process by a post-processing milling, polishing or turning process.
30. Method according to one of claims 23 to 29, characterized in that several implants having different dimensions are produced in one sintering charge.
31. Method according to one of claims 23 to 30, characterized in that the three-dimensional dimensions of the implant to be produced, having the dimensions of the configuration segments being variably designable according to customer wishes, are inputted into a mask on a website, are transmitted to a host computer by means of data transmission and are converted to individual cross-sectional data, and, by data transmission, are transmitted to the sintering plant, where the implant is produced by a sintering method.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008056419.2 | 2008-11-07 | ||
DE102008056419 | 2008-11-07 | ||
DE102009014184A DE102009014184A1 (en) | 2008-11-07 | 2009-03-20 | Implant for fusion of spinal segments |
DE102009014184.7 | 2009-03-20 | ||
PCT/EP2009/064715 WO2010052283A1 (en) | 2008-11-07 | 2009-11-05 | Implant for fusing spinal column segments |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2742890A1 true CA2742890A1 (en) | 2010-05-14 |
Family
ID=42105283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2742890A Abandoned CA2742890A1 (en) | 2008-11-07 | 2009-11-05 | Implant for the fusion of vertebral column segments |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110224796A1 (en) |
EP (1) | EP2344087A1 (en) |
JP (1) | JP2012508048A (en) |
BR (1) | BRPI0921345A2 (en) |
CA (1) | CA2742890A1 (en) |
DE (1) | DE102009014184A1 (en) |
IL (1) | IL212722A0 (en) |
MX (1) | MX2011004701A (en) |
WO (1) | WO2010052283A1 (en) |
Families Citing this family (118)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8814939B2 (en) | 2005-05-06 | 2014-08-26 | Titan Spine, Llc | Implants having three distinct surfaces |
US8992622B2 (en) | 2005-05-06 | 2015-03-31 | Titan Spine, Llc | Interbody spinal implant having a roughened surface topography |
US8262737B2 (en) | 2005-05-06 | 2012-09-11 | Titan Spine, Llc | Composite interbody spinal implant having openings of predetermined size and shape |
US8617248B2 (en) | 2005-05-06 | 2013-12-31 | Titan Spine, Llc | Spinal implant having variable ratios of the integration surface area to the axial passage area |
US8585765B2 (en) | 2005-05-06 | 2013-11-19 | Titan Spine, Llc | Endplate-preserving spinal implant having a raised expulsion-resistant edge |
US8591590B2 (en) | 2005-05-06 | 2013-11-26 | Titan Spine, Llc | Spinal implant having a transverse aperture |
US8562685B2 (en) | 2005-05-06 | 2013-10-22 | Titan Spine, Llc | Spinal implant and integration plate for optimizing vertebral endplate contact load-bearing edges |
US8562684B2 (en) | 2005-05-06 | 2013-10-22 | Titan Spine, Llc | Endplate-preserving spinal implant with an integration plate having a roughened surface topography |
US9168147B2 (en) | 2005-05-06 | 2015-10-27 | Titan Spine, Llc | Self-deploying locking screw retention device |
US8480749B2 (en) | 2005-05-06 | 2013-07-09 | Titan Spine, Llc | Friction fit and vertebral endplate-preserving spinal implant |
US8585766B2 (en) | 2005-05-06 | 2013-11-19 | Titan Spine, Llc | Endplate-preserving spinal implant with an integration plate having durable connectors |
US20120312779A1 (en) | 2005-05-06 | 2012-12-13 | Titian Spine, LLC | Methods for manufacturing implants having integration surfaces |
US8551176B2 (en) | 2005-05-06 | 2013-10-08 | Titan Spine, Llc | Spinal implant having a passage for enhancing contact between bone graft material and cortical endplate bone |
US8758442B2 (en) | 2005-05-06 | 2014-06-24 | Titan Spine, Llc | Composite implants having integration surfaces composed of a regular repeating pattern |
US11096796B2 (en) | 2005-05-06 | 2021-08-24 | Titan Spine, Llc | Interbody spinal implant having a roughened surface topography on one or more internal surfaces |
US8435302B2 (en) | 2005-05-06 | 2013-05-07 | Titan Spine, Llc | Instruments and interbody spinal implants enhancing disc space distraction |
US9125756B2 (en) | 2005-05-06 | 2015-09-08 | Titan Spine, Llc | Processes for producing regular repeating patterns on surfaces of interbody devices |
US8758443B2 (en) | 2005-05-06 | 2014-06-24 | Titan Spine, Llc | Implants with integration surfaces having regular repeating surface patterns |
US8545568B2 (en) | 2005-05-06 | 2013-10-01 | Titan Spine, Llc | Method of using instruments and interbody spinal implants to enhance distraction |
US8403991B2 (en) | 2005-05-06 | 2013-03-26 | Titan Spine Llc | Implant with critical ratio of load bearing surface area to central opening area |
US8585767B2 (en) | 2005-05-06 | 2013-11-19 | Titan Spine, Llc | Endplate-preserving spinal implant with an integration plate having durable connectors |
US8900307B2 (en) | 2007-06-26 | 2014-12-02 | DePuy Synthes Products, LLC | Highly lordosed fusion cage |
EP2471493A1 (en) | 2008-01-17 | 2012-07-04 | Synthes GmbH | An expandable intervertebral implant and associated method of manufacturing the same |
BRPI0910325A8 (en) | 2008-04-05 | 2019-01-29 | Synthes Gmbh | expandable intervertebral implant |
US10842645B2 (en) * | 2008-08-13 | 2020-11-24 | Smed-Ta/Td, Llc | Orthopaedic implant with porous structural member |
US9220547B2 (en) | 2009-03-27 | 2015-12-29 | Spinal Elements, Inc. | Flanged interbody fusion device |
US9526620B2 (en) | 2009-03-30 | 2016-12-27 | DePuy Synthes Products, Inc. | Zero profile spinal fusion cage |
US9393129B2 (en) | 2009-12-10 | 2016-07-19 | DePuy Synthes Products, Inc. | Bellows-like expandable interbody fusion cage |
US8979860B2 (en) | 2010-06-24 | 2015-03-17 | DePuy Synthes Products. LLC | Enhanced cage insertion device |
US9282979B2 (en) | 2010-06-24 | 2016-03-15 | DePuy Synthes Products, Inc. | Instruments and methods for non-parallel disc space preparation |
EP2588034B1 (en) | 2010-06-29 | 2018-01-03 | Synthes GmbH | Distractible intervertebral implant |
JP5681579B2 (en) * | 2010-07-07 | 2015-03-11 | 株式会社ロバート・リード商会 | Implant order manufacturing system |
DK2568928T3 (en) * | 2010-07-23 | 2016-01-11 | Privelop Spine Ag | surgical implants |
DE102010044571A1 (en) * | 2010-09-07 | 2012-03-08 | Implantcast Gmbh | base graft |
US9402732B2 (en) | 2010-10-11 | 2016-08-02 | DePuy Synthes Products, Inc. | Expandable interspinous process spacer implant |
US20120158143A1 (en) * | 2010-12-20 | 2012-06-21 | Shapiro Gary S | ALIF Spinal Cage |
FR2980358B1 (en) * | 2011-09-27 | 2014-07-04 | Kasios | INTERSOMATIC CAGE AND ASSEMBLY COMPRISING SUCH A CAGE AND A POSITION ANCILLARY |
US8992619B2 (en) | 2011-11-01 | 2015-03-31 | Titan Spine, Llc | Microstructured implant surfaces |
WO2013142480A1 (en) | 2012-03-20 | 2013-09-26 | Titan Spine, Llc | Friction-fit spinal endplate and endplate-preserving method |
EP2716261A1 (en) | 2012-10-02 | 2014-04-09 | Titan Spine, LLC | Implants with self-deploying anchors |
US9498349B2 (en) | 2012-10-09 | 2016-11-22 | Titan Spine, Llc | Expandable spinal implant with expansion wedge and anchor |
CN104812338B (en) | 2012-11-16 | 2017-09-29 | 茵秋创新有限责任公司 | Oblique expansion type fusion device apparatus and method |
US9522070B2 (en) | 2013-03-07 | 2016-12-20 | Interventional Spine, Inc. | Intervertebral implant |
WO2014144696A1 (en) | 2013-03-15 | 2014-09-18 | Lanx, Inc. | Expandable fusion cage system |
DE202014003441U1 (en) * | 2013-08-14 | 2014-11-18 | Joimax Gmbh | Intervertebral Cup |
FR3010628B1 (en) | 2013-09-18 | 2015-10-16 | Medicrea International | METHOD FOR REALIZING THE IDEAL CURVATURE OF A ROD OF A VERTEBRAL OSTEOSYNTHESIS EQUIPMENT FOR STRENGTHENING THE VERTEBRAL COLUMN OF A PATIENT |
FR3012030B1 (en) | 2013-10-18 | 2015-12-25 | Medicrea International | METHOD FOR REALIZING THE IDEAL CURVATURE OF A ROD OF A VERTEBRAL OSTEOSYNTHESIS EQUIPMENT FOR STRENGTHENING THE VERTEBRAL COLUMN OF A PATIENT |
US9615935B2 (en) | 2014-01-30 | 2017-04-11 | Titan Spine, Llc | Thermally activated shape memory spring assemblies for implant expansion |
US9757248B2 (en) | 2014-04-08 | 2017-09-12 | Degen Medical, Inc. | Intervertebral spacers |
CN107072795A (en) * | 2014-07-22 | 2017-08-18 | 陶瓷技术有限责任公司 | Part for merging centrum |
US9662226B2 (en) | 2014-07-28 | 2017-05-30 | Warsaw Orthopedic, Inc. | Spinal implant system and method |
US9782270B2 (en) | 2014-08-08 | 2017-10-10 | Warsaw Orthopedic, Inc. | Spinal implant system and method |
US10383733B2 (en) * | 2014-10-22 | 2019-08-20 | Biomet C.V. | Method and apparatus for bone fixation |
US10420597B2 (en) | 2014-12-16 | 2019-09-24 | Arthrex, Inc. | Surgical implant with porous region |
EP3232990A1 (en) * | 2014-12-16 | 2017-10-25 | CeramTec GmbH | Spinal cages and instruments for inserting same |
US10603182B2 (en) * | 2015-01-14 | 2020-03-31 | Stryker European Holdings I, Llc | Spinal implant with fluid delivery capabilities |
DE102015201775A1 (en) * | 2015-02-02 | 2016-08-04 | Gkn Sinter Metals Engineering Gmbh | Method and device for the additive production of components |
US11426290B2 (en) | 2015-03-06 | 2022-08-30 | DePuy Synthes Products, Inc. | Expandable intervertebral implant, system, kit and method |
CA2930123A1 (en) | 2015-05-18 | 2016-11-18 | Stryker European Holdings I, Llc | Partially resorbable implants and methods |
WO2016191309A1 (en) | 2015-05-22 | 2016-12-01 | Et Medical Technologies, Llc | Medical implant for replacing atrophic fat pads in the foot |
FR3039988A1 (en) * | 2015-08-11 | 2017-02-17 | Abdelmadjid Djemai | EXPANDED SPRING INTERSOMATIC CAGE, DOUBLE-STRUCKED DOUBLE STRUCK HINGE AND METHOD FOR MANUFACTURING THE SAME |
US10456211B2 (en) | 2015-11-04 | 2019-10-29 | Medicrea International | Methods and apparatus for spinal reconstructive surgery and measuring spinal length and intervertebral spacing, tension and rotation |
CN105287061B (en) * | 2015-12-01 | 2017-08-25 | 四川大学华西医院 | A kind of interfacial type Invasive lumbar fusion device |
KR20180095853A (en) | 2015-12-16 | 2018-08-28 | 너바시브 인코퍼레이티드 | Porous Spine Fusion Implant |
FR3049852B1 (en) * | 2016-04-12 | 2021-04-02 | Euros Sa | INTERVERTEBRAL FUSION IMPLANT TO BE IMPLANTED BY ANTERIOR ROUTE |
FR3050927B1 (en) * | 2016-05-03 | 2022-01-07 | Ldr Medical | VERTEBRAL IMPLANT AND INSERT FOR VERTEBRAL IMPLANT |
US20200000595A1 (en) | 2016-06-07 | 2020-01-02 | HD LifeSciences LLC | High X-Ray Lucency Lattice Structures |
US11596522B2 (en) | 2016-06-28 | 2023-03-07 | Eit Emerging Implant Technologies Gmbh | Expandable and angularly adjustable intervertebral cages with articulating joint |
US11510788B2 (en) | 2016-06-28 | 2022-11-29 | Eit Emerging Implant Technologies Gmbh | Expandable, angularly adjustable intervertebral cages |
US10258483B2 (en) | 2016-08-19 | 2019-04-16 | Degen Medical, Inc. | Laminate implantable medical devices |
US10265189B2 (en) * | 2016-09-13 | 2019-04-23 | Warsaw Orthopedic, Inc. | Interbody spinal fusion device |
WO2018053403A1 (en) | 2016-09-16 | 2018-03-22 | Mirus Llc | Interbody fusion devices and related methods of manufacture |
WO2018109556A1 (en) | 2016-12-12 | 2018-06-21 | Medicrea International | Systems and methods for patient-specific spinal implants |
US10251744B2 (en) * | 2017-01-27 | 2019-04-09 | Onkos Surgical, Inc. | Soft tissue fixation device |
WO2018152077A1 (en) | 2017-02-14 | 2018-08-23 | HD LifeSciences LLC | High x-ray lucency lattice structures and variably x-ray licent markers |
JP2020515345A (en) | 2017-04-01 | 2020-05-28 | エイチディー ライフサイエンシズ エルエルシーHd Lifesciences Llc | 3D lattice structure for implants |
WO2018193317A1 (en) | 2017-04-21 | 2018-10-25 | Medicrea International | A system for providing intraoperative tracking to assist spinal surgery |
US10398563B2 (en) | 2017-05-08 | 2019-09-03 | Medos International Sarl | Expandable cage |
US11344424B2 (en) | 2017-06-14 | 2022-05-31 | Medos International Sarl | Expandable intervertebral implant and related methods |
CN109481094B (en) * | 2017-09-11 | 2023-06-02 | 耶器尔·戈特弗赖德 | Orthopedic implant |
US11801144B2 (en) | 2017-09-14 | 2023-10-31 | Degen Medical, Inc. | Methods of making medical devices |
US10835388B2 (en) | 2017-09-20 | 2020-11-17 | Stryker European Operations Holdings Llc | Spinal implants |
US10918422B2 (en) | 2017-12-01 | 2021-02-16 | Medicrea International | Method and apparatus for inhibiting proximal junctional failure |
US10183442B1 (en) | 2018-03-02 | 2019-01-22 | Additive Device, Inc. | Medical devices and methods for producing the same |
USD871577S1 (en) | 2018-03-02 | 2019-12-31 | Restor3D, Inc. | Studded airway stent |
USD870890S1 (en) | 2018-03-02 | 2019-12-24 | Restor3D, Inc. | Spiral airway stent |
USD870889S1 (en) | 2018-03-02 | 2019-12-24 | Restor3D, Inc. | Cutout airway stent |
USD870888S1 (en) | 2018-03-02 | 2019-12-24 | Restor3D, Inc. | Accordion airway stent |
CN108514465B (en) * | 2018-06-12 | 2020-09-18 | 深圳市立心科学有限公司 | Intervertebral fusion device filled with artificial bone |
JP2021531894A (en) | 2018-07-26 | 2021-11-25 | エイチディー ライフサイエンシズ エルエルシーHd Lifesciences Llc | Dynamic implant fixation plate |
US11000360B2 (en) * | 2018-09-14 | 2021-05-11 | Onkos Surgical, Inc. | Systems and methods for attaching soft tissue to an implant |
CN108888389A (en) * | 2018-09-14 | 2018-11-27 | 北京爱康宜诚医疗器材有限公司 | Articular surface fusion device |
MX2021003210A (en) | 2018-09-20 | 2021-06-08 | Spinal Elements Inc | Spinal implant device. |
US11446156B2 (en) | 2018-10-25 | 2022-09-20 | Medos International Sarl | Expandable intervertebral implant, inserter instrument, and related methods |
US11123198B2 (en) | 2018-11-13 | 2021-09-21 | Degen Medical, Inc. | Expandable spacers |
EP3662868B1 (en) * | 2018-12-06 | 2021-03-24 | Kilian Kraus | Intervertebral joint and method for producing same |
US11185423B2 (en) | 2019-01-09 | 2021-11-30 | Osseus Fusion Systems | Highly radiographically opaque metal based interbody |
US11497617B2 (en) | 2019-01-16 | 2022-11-15 | Nanohive Medical Llc | Variable depth implants |
US11234829B2 (en) | 2019-01-21 | 2022-02-01 | Degen Medical, Inc. | Expandable intervertebral spacers |
US10889053B1 (en) | 2019-03-25 | 2021-01-12 | Restor3D, Inc. | Custom surgical devices and method for manufacturing the same |
US11877801B2 (en) | 2019-04-02 | 2024-01-23 | Medicrea International | Systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and/or procedures |
US11925417B2 (en) | 2019-04-02 | 2024-03-12 | Medicrea International | Systems, methods, and devices for developing patient-specific spinal implants, treatments, operations, and/or procedures |
CN110464514B (en) * | 2019-07-16 | 2020-09-04 | 太原理工大学 | Application of honeycomb sandwich structure in vertebral body implant and preparation method of implant |
US11547575B2 (en) | 2019-09-27 | 2023-01-10 | Degen Medical, Inc. | Expandable intervertebral spacers |
CN110584845B (en) * | 2019-10-10 | 2023-09-15 | 广东省新材料研究所 | Human body interbody fusion cage structure and preparation method thereof |
US11769251B2 (en) | 2019-12-26 | 2023-09-26 | Medicrea International | Systems and methods for medical image analysis |
USD920517S1 (en) | 2020-01-08 | 2021-05-25 | Restor3D, Inc. | Osteotomy wedge |
US10772732B1 (en) | 2020-01-08 | 2020-09-15 | Restor3D, Inc. | Sheet based triply periodic minimal surface implants for promoting osseointegration and methods for producing same |
USD920515S1 (en) | 2020-01-08 | 2021-05-25 | Restor3D, Inc. | Spinal implant |
USD920516S1 (en) | 2020-01-08 | 2021-05-25 | Restor3D, Inc. | Osteotomy wedge |
KR102370651B1 (en) * | 2020-02-06 | 2022-03-04 | 주식회사 지비에스커먼웰스 | Structure of porous spinal implant |
US11426286B2 (en) | 2020-03-06 | 2022-08-30 | Eit Emerging Implant Technologies Gmbh | Expandable intervertebral implant |
DE102020123848A1 (en) | 2020-06-04 | 2021-12-23 | Ngmedical Gmbh | Monolithic cervical or lumbar implant body |
WO2022109524A1 (en) | 2020-11-19 | 2022-05-27 | Spinal Elements, Inc. | Curved expandable interbody devices and deployment tools |
US11850160B2 (en) | 2021-03-26 | 2023-12-26 | Medos International Sarl | Expandable lordotic intervertebral fusion cage |
US11752009B2 (en) | 2021-04-06 | 2023-09-12 | Medos International Sarl | Expandable intervertebral fusion cage |
US11850144B1 (en) | 2022-09-28 | 2023-12-26 | Restor3D, Inc. | Ligament docking implants and processes for making and using same |
US11806028B1 (en) | 2022-10-04 | 2023-11-07 | Restor3D, Inc. | Surgical guides and processes for producing and using the same |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5609635A (en) * | 1988-06-28 | 1997-03-11 | Michelson; Gary K. | Lordotic interbody spinal fusion implants |
US5769897A (en) * | 1991-12-13 | 1998-06-23 | Haerle; Anton | Synthetic bone |
US5496372A (en) * | 1992-04-17 | 1996-03-05 | Kyocera Corporation | Hard tissue prosthesis including porous thin metal sheets |
DE69326440T2 (en) * | 1993-04-19 | 1999-12-30 | Kyocera Corp | Prosthesis and process for its manufacture |
US6458159B1 (en) * | 2000-08-15 | 2002-10-01 | John S. Thalgott | Disc prosthesis |
KR100371308B1 (en) * | 2000-08-28 | 2003-02-07 | 구자교 | a prosthetic implant for spinal interbody fusion and a inserting apparatus thereof |
US7458991B2 (en) * | 2002-02-08 | 2008-12-02 | Howmedica Osteonics Corp. | Porous metallic scaffold for tissue ingrowth |
US7063725B2 (en) * | 2002-10-21 | 2006-06-20 | Sdgi Holdings, Inc. | Systems and techniques for restoring and maintaining intervertebral anatomy |
CA2448592C (en) * | 2002-11-08 | 2011-01-11 | Howmedica Osteonics Corp. | Laser-produced porous surface |
US20060147332A1 (en) * | 2004-12-30 | 2006-07-06 | Howmedica Osteonics Corp. | Laser-produced porous structure |
EP1609443A4 (en) * | 2003-04-01 | 2007-03-14 | Olympus Corp | Material for repairing biological tissues and process for producing the same |
DE10315563A1 (en) * | 2003-04-05 | 2004-10-28 | Bego Medical Ag | Process for producing implant structures for dental implants and implant structure for dental implants |
CA2545515C (en) * | 2003-06-25 | 2012-03-27 | Baylor College Of Medicine | Tissue integration design for seamless implant fixation |
JP2006528515A (en) * | 2003-07-24 | 2006-12-21 | テコメット・インコーポレーテッド | Spongy structure |
SI1841385T1 (en) | 2005-01-28 | 2010-09-30 | Advanced Med Tech | Implant for transforaminal intracorporeal fusion |
US7662186B2 (en) * | 2005-05-06 | 2010-02-16 | Titan Spine, Llc | Anterior interbody spinal implant |
FR2889442B1 (en) * | 2005-08-05 | 2007-10-05 | Ass Pour Les Transferts De Tec | METHOD FOR MANUFACTURING AN INTERNAL MEDICAL DEVICE |
ATE369094T1 (en) * | 2005-09-06 | 2007-08-15 | Orthopaedic & Spine Dev | DEFORMABLE INTERVERBAL PROSTHESIS |
WO2007130648A2 (en) * | 2006-05-05 | 2007-11-15 | Ceramatec, Inc. | Fully or partially bioresorbable orthopedic implant |
WO2008022206A2 (en) * | 2006-08-15 | 2008-02-21 | Motionback Llc | Spinal implant |
JP5326164B2 (en) * | 2006-09-26 | 2013-10-30 | 独立行政法人産業技術総合研究所 | Biomaterials and their production methods and applications |
US20090048675A1 (en) * | 2007-04-25 | 2009-02-19 | Bhatnagar Mohit K | Spinal Fusion Implants with Selectively Applied Bone Growth Promoting Agent |
DE102007056993A1 (en) * | 2007-11-27 | 2009-06-04 | Kilian Kraus | Bone-contacting implants |
-
2009
- 2009-03-20 DE DE102009014184A patent/DE102009014184A1/en not_active Withdrawn
- 2009-11-05 JP JP2011535111A patent/JP2012508048A/en active Pending
- 2009-11-05 WO PCT/EP2009/064715 patent/WO2010052283A1/en active Application Filing
- 2009-11-05 BR BRPI0921345A patent/BRPI0921345A2/en not_active Application Discontinuation
- 2009-11-05 MX MX2011004701A patent/MX2011004701A/en not_active Application Discontinuation
- 2009-11-05 US US13/127,185 patent/US20110224796A1/en not_active Abandoned
- 2009-11-05 EP EP09763887A patent/EP2344087A1/en not_active Withdrawn
- 2009-11-05 CA CA2742890A patent/CA2742890A1/en not_active Abandoned
-
2011
- 2011-05-05 IL IL212722A patent/IL212722A0/en unknown
Also Published As
Publication number | Publication date |
---|---|
IL212722A0 (en) | 2011-07-31 |
BRPI0921345A2 (en) | 2015-12-29 |
US20110224796A1 (en) | 2011-09-15 |
EP2344087A1 (en) | 2011-07-20 |
MX2011004701A (en) | 2011-09-06 |
WO2010052283A1 (en) | 2010-05-14 |
DE102009014184A1 (en) | 2010-05-20 |
JP2012508048A (en) | 2012-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20110224796A1 (en) | Implant for fusing spinal column segments | |
US11857430B2 (en) | Interbody implants and optimization features thereof | |
US11918474B2 (en) | Laser-produced porous surface | |
US20230132015A1 (en) | Partially Porous Tibial Component | |
US11951018B2 (en) | Implant with improved flow characteristics | |
Cronskär et al. | Production of customized hip stem prostheses–a comparison between conventional machining and electron beam melting (EBM) | |
US8350186B2 (en) | Laser-produced implants | |
CN201200499Y (en) | Grid-shaped metal implantation body of orthopaedics | |
US20080154378A1 (en) | Bone implant having engineered surfaces | |
JP2013516235A (en) | Integrated multi-material implant and manufacturing method | |
CN101708138A (en) | Artificial knee joint bone fusion prosthesis | |
JP2021137592A (en) | Implants with frangible fastener port plugs | |
RU174437U1 (en) | BONE TISSUE AUGMENT FOR REPLACEMENT OF THE SPAN BONE AND THE JOINT SURFACE | |
EP2727559A1 (en) | Spinous metal particle | |
EP3412252B1 (en) | Polymer interlock support structure | |
CN101708135A (en) | Artificial hip joint bone fusion femoral stem | |
CN102429747A (en) | Atlas fusion prosthesis | |
CN201394098Y (en) | Artificial hip joint fused femoral stem | |
CN202724045U (en) | Atlas fusion prosthesis | |
EP4101563A2 (en) | Additive manufacturing of porous coatings separate from substrate | |
US20230380983A1 (en) | Spinal Interbody Implants | |
WO2018143841A2 (en) | Bone tissue augmentation for cancellous bone and articular surface replacement | |
AU2012216789B2 (en) | Laser-produced porous surface |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |
Effective date: 20131105 |
|
FZDE | Discontinued |
Effective date: 20131105 |