WO2005016194A3 - Artificial spinal unit assemblies - Google Patents

Artificial spinal unit assemblies Download PDF

Info

Publication number
WO2005016194A3
WO2005016194A3 PCT/US2004/025090 US2004025090W WO2005016194A3 WO 2005016194 A3 WO2005016194 A3 WO 2005016194A3 US 2004025090 W US2004025090 W US 2004025090W WO 2005016194 A3 WO2005016194 A3 WO 2005016194A3
Authority
WO
WIPO (PCT)
Prior art keywords
lordotic
artificial
expandable
maintenance
posterior
Prior art date
Application number
PCT/US2004/025090
Other languages
French (fr)
Other versions
WO2005016194A2 (en
Inventor
Charles Gordon
Corey Harbold
Original Assignee
Charles Gordon
Corey Harbold
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US10/634,950 external-priority patent/US7204853B2/en
Priority claimed from US10/660,155 external-priority patent/US7316714B2/en
Priority claimed from US10/777,411 external-priority patent/US7909869B2/en
Application filed by Charles Gordon, Corey Harbold filed Critical Charles Gordon
Priority to US11/050,632 priority Critical patent/US7753958B2/en
Publication of WO2005016194A2 publication Critical patent/WO2005016194A2/en
Priority to US11/134,073 priority patent/US8118871B2/en
Priority to US11/134,069 priority patent/US8123810B2/en
Priority to US11/134,092 priority patent/US20050283245A1/en
Priority to US11/134,079 priority patent/US8147550B2/en
Priority to US11/134,091 priority patent/US8257440B2/en
Priority to US11/134,082 priority patent/US8172903B2/en
Priority to US11/134,055 priority patent/US8753398B2/en
Priority to US11/134,067 priority patent/US8118870B2/en
Publication of WO2005016194A3 publication Critical patent/WO2005016194A3/en
Priority to US11/345,602 priority patent/US20060229729A1/en
Priority to US12/841,792 priority patent/US8647386B2/en
Priority to US13/437,604 priority patent/US9579124B2/en
Priority to US15/189,764 priority patent/US20160296340A1/en
Priority to US16/001,345 priority patent/US20190133645A1/en
Priority to US17/942,547 priority patent/US20230240722A1/en

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Classifications

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    • 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
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    • 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
    • A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
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    • 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
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    • 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
    • A61F2002/30579—Special structural features of bone or joint prostheses not otherwise provided for with mechanically expandable devices, e.g. fixation devices
    • A—HUMAN NECESSITIES
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    • 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
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    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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    • A—HUMAN NECESSITIES
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    • 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
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    • 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
    • A61F2002/30774—Apertures or holes, e.g. of circular cross section internally-threaded
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • 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
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    • 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
    • A61F2002/30772—Apertures or holes, e.g. of circular cross section
    • A61F2002/3079—Stepped or enlarged apertures, e.g. having discrete diameter changes
    • 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
    • A61F2002/30841—Sharp anchoring protrusions for impaction into the bone, e.g. sharp pins, spikes
    • 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
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • A61F2/4425—Intervertebral or spinal discs, e.g. resilient made of articulated components
    • A61F2002/443—Intervertebral or spinal discs, e.g. resilient made of articulated components having two transversal endplates and at least one intermediate component
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • 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
    • A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
    • 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
    • A61F2230/0028—Shapes in the form of latin or greek characters
    • A61F2230/0052—T-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
    • 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
    • A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
    • A61F2250/0006—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting angular orientation
    • 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
    • A61F2250/0004—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable
    • A61F2250/0009—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting thickness

Abstract

An artificial functional spinal unit is provided comprising, generally, an expandable artificial intervertebral implant that can be placed via a posterior surgical approach and used in conjunction with one or more artificial facet joints to provide an anatomically correct range of motion. Expandable artificial intervertebral implants in both lordotic and non-lordotic designs are disclosed, as well as lordotic and non-lordotic expandable cages for both PLIF (posterior lumber interbody fusion) and TLIF (transforaminal lumbar interbody fusion) procedures. The expandable implants may have various shapes, such as round, square, rectangular, banana-shaped, kidney-shaped, or other similar shapes. By virtue of their posteriorly implanted approach, the disclosed artificial FSU's allow for posterior decompression of the neural elements, reconstruction of all or part of the natural functional spinal unit, restoration and maintenance of lordosis, maintenance of motion, and restoration and maintenance of disc space height.
PCT/US2004/025090 2003-08-05 2004-08-04 Artificial spinal unit assemblies WO2005016194A2 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
US11/050,632 US7753958B2 (en) 2003-08-05 2005-02-03 Expandable intervertebral implant
US11/134,067 US8118870B2 (en) 2003-08-05 2005-05-20 Expandable articulating intervertebral implant with spacer
US11/134,055 US8753398B2 (en) 2003-08-05 2005-05-20 Method of inserting an expandable intervertebral implant without overdistraction
US11/134,082 US8172903B2 (en) 2003-08-05 2005-05-20 Expandable intervertebral implant with spacer
US11/134,091 US8257440B2 (en) 2003-08-05 2005-05-20 Method of insertion of an expandable intervertebral implant
US11/134,073 US8118871B2 (en) 2003-08-05 2005-05-20 Expandable articulating intervertebral implant
US11/134,069 US8123810B2 (en) 2003-08-05 2005-05-20 Expandable intervertebral implant with wedged expansion member
US11/134,092 US20050283245A1 (en) 2003-08-05 2005-05-20 Method of insertion of an expandable intervertebral implant using a tool
US11/134,079 US8147550B2 (en) 2003-08-05 2005-05-20 Expandable articulating intervertebral implant with limited articulation
US11/345,602 US20060229729A1 (en) 2003-08-05 2006-02-01 Expandable intervertebral implant for use with instrument
US12/841,792 US8647386B2 (en) 2003-08-05 2010-07-22 Expandable intervertebral implant system and method
US13/437,604 US9579124B2 (en) 2003-08-05 2012-04-02 Expandable articulating intervertebral implant with limited articulation
US15/189,764 US20160296340A1 (en) 2003-08-05 2016-06-22 Expandable articulating intervertebral implant with limited articulation
US16/001,345 US20190133645A1 (en) 2003-08-05 2018-06-06 Expandable articulating intervertebral implant with limited articulation
US17/942,547 US20230240722A1 (en) 2003-08-05 2022-09-12 Expandable articulating intervertebral implant with limited articulation

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US10/634,950 US7204853B2 (en) 2003-08-05 2003-08-05 Artificial functional spinal unit assemblies
US10/634,950 2003-08-05
US10/660,155 US7316714B2 (en) 2003-08-05 2003-09-11 Artificial functional spinal unit assemblies
US10/660,155 2003-09-11
US10/777,411 US7909869B2 (en) 2003-08-05 2004-02-12 Artificial spinal unit assemblies
US10/777,411 2004-02-12

Related Parent Applications (6)

Application Number Title Priority Date Filing Date
US10/634,950 Continuation US7204853B2 (en) 2003-08-05 2003-08-05 Artificial functional spinal unit assemblies
US10/634,950 Continuation-In-Part US7204853B2 (en) 2003-08-05 2003-08-05 Artificial functional spinal unit assemblies
US10/660,155 Continuation US7316714B2 (en) 2003-08-05 2003-09-11 Artificial functional spinal unit assemblies
US10/660,155 Continuation-In-Part US7316714B2 (en) 2003-08-05 2003-09-11 Artificial functional spinal unit assemblies
US10/777,411 Continuation US7909869B2 (en) 2003-08-05 2004-02-12 Artificial spinal unit assemblies
US10/777,411 Continuation-In-Part US7909869B2 (en) 2003-08-05 2004-02-12 Artificial spinal unit assemblies

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10/777,411 Continuation-In-Part US7909869B2 (en) 2003-08-05 2004-02-12 Artificial spinal unit assemblies
US11/050,632 Continuation-In-Part US7753958B2 (en) 2003-08-05 2005-02-03 Expandable intervertebral implant

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WO2005016194A3 true WO2005016194A3 (en) 2005-06-02

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US8182514B2 (en) 2007-10-22 2012-05-22 Flexuspine, Inc. Dampener system for a posterior stabilization system with a fixed length elongated member
US8187330B2 (en) 2007-10-22 2012-05-29 Flexuspine, Inc. Dampener system for a posterior stabilization system with a variable length elongated member
US8267965B2 (en) 2007-10-22 2012-09-18 Flexuspine, Inc. Spinal stabilization systems with dynamic interbody devices
US8377098B2 (en) 2007-01-19 2013-02-19 Flexuspine, Inc. Artificial functional spinal unit system and method for use
US8523912B2 (en) 2007-10-22 2013-09-03 Flexuspine, Inc. Posterior stabilization systems with shared, dual dampener systems
US8603168B2 (en) 2003-08-05 2013-12-10 Flexuspine, Inc. Artificial functional spinal unit system and method for use
US9492288B2 (en) 2013-02-20 2016-11-15 Flexuspine, Inc. Expandable fusion device for positioning between adjacent vertebral bodies

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US7722652B2 (en) 2006-01-27 2010-05-25 Warsaw Orthopedic, Inc. Pivoting joints for spinal implants including designed resistance to motion and methods of use
US7833252B2 (en) 2006-01-27 2010-11-16 Warsaw Orthopedic, Inc. Pivoting joints for spinal implants including designed resistance to motion and methods of use
US7846185B2 (en) 2006-04-28 2010-12-07 Warsaw Orthopedic, Inc. Expandable interspinous process implant and method of installing same
US8348978B2 (en) 2006-04-28 2013-01-08 Warsaw Orthopedic, Inc. Interosteotic implant
US8048118B2 (en) 2006-04-28 2011-11-01 Warsaw Orthopedic, Inc. Adjustable interspinous process brace
US8105357B2 (en) 2006-04-28 2012-01-31 Warsaw Orthopedic, Inc. Interspinous process brace
US8252031B2 (en) 2006-04-28 2012-08-28 Warsaw Orthopedic, Inc. Molding device for an expandable interspinous process implant
DE102007024262B4 (en) * 2007-05-23 2017-01-26 Janos Borgulya Intervertebral disc prosthesis and instrument cluster with a disc prosthesis
WO2022077446A1 (en) * 2020-10-16 2022-04-21 暨南大学 Biologically self-locking artificial disc system kit, and method for implanting same

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Publication number Priority date Publication date Assignee Title
US8172903B2 (en) 2003-08-05 2012-05-08 Gordon Charles R Expandable intervertebral implant with spacer
US8603168B2 (en) 2003-08-05 2013-12-10 Flexuspine, Inc. Artificial functional spinal unit system and method for use
US8647386B2 (en) 2003-08-05 2014-02-11 Charles R. Gordon Expandable intervertebral implant system and method
US9579124B2 (en) 2003-08-05 2017-02-28 Flexuspine, Inc. Expandable articulating intervertebral implant with limited articulation
US8377098B2 (en) 2007-01-19 2013-02-19 Flexuspine, Inc. Artificial functional spinal unit system and method for use
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US8940022B2 (en) 2007-01-19 2015-01-27 Flexuspine, Inc. Artificial functional spinal unit system and method for use
US8182514B2 (en) 2007-10-22 2012-05-22 Flexuspine, Inc. Dampener system for a posterior stabilization system with a fixed length elongated member
US8187330B2 (en) 2007-10-22 2012-05-29 Flexuspine, Inc. Dampener system for a posterior stabilization system with a variable length elongated member
US8267965B2 (en) 2007-10-22 2012-09-18 Flexuspine, Inc. Spinal stabilization systems with dynamic interbody devices
US8523912B2 (en) 2007-10-22 2013-09-03 Flexuspine, Inc. Posterior stabilization systems with shared, dual dampener systems
US9492288B2 (en) 2013-02-20 2016-11-15 Flexuspine, Inc. Expandable fusion device for positioning between adjacent vertebral bodies

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