CA2478842A1 - Implant intervertebral dynamique - Google Patents
Implant intervertebral dynamique Download PDFInfo
- Publication number
- CA2478842A1 CA2478842A1 CA002478842A CA2478842A CA2478842A1 CA 2478842 A1 CA2478842 A1 CA 2478842A1 CA 002478842 A CA002478842 A CA 002478842A CA 2478842 A CA2478842 A CA 2478842A CA 2478842 A1 CA2478842 A1 CA 2478842A1
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- Prior art keywords
- implant
- vertebrae
- lateral support
- walls
- support walls
- Prior art date
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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
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
- A61F2/442—Intervertebral or spinal discs, e.g. resilient
-
- 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
- A61F2/30—Joints
- A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/06—Titanium or titanium alloys
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
- A61B17/7059—Cortical plates
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- A—HUMAN NECESSITIES
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- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
- A61B17/86—Pins or screws or threaded wires; nuts therefor
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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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- A61F2/00—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
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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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- 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
- A61F2/28—Bones
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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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- A61F2002/30001—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
- A61F2002/30014—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 elasticity, stiffness or compressibility
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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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
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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
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
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- A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
- A61F2002/30576—Special structural features of bone or joint prostheses not otherwise provided for with extending fixation tabs
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- 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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- A61F2002/30535—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
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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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Abstract
Cet implant (1) comprend deux parois latérales (2) d'appui contre les platea ux vertébraux et une paroi intermédiaire (3) de raccordement de ces parois latérales d'appui, cet implant (1) étant déformable élastiquement pour son insertion entre les vertèbres (10) à traiter et pour permettre de restaurer une mobilité amortie de ces vertèbre (10), et comprenant des moyens (4) pour son assemblage à ces vertèbres (10).Selon l'invention,- lesdites parois latérales (2) présentent vues de profil, des formes courbes avec leur convexité tournée vers l'extérieur de l'implant (1) ;- ladite paroi intermédiaire (3) présente une forme courbe, avec sa convexité tournée vers l'extérieur de l'implant (1), et est telle qu'elle ne forme pas d'angles marqués avec lesdites parois latérales d'appui (2), ces parois latérales d'appui (2) et cette paroi intermédiaire (3) ayant ainsi, vues de profil, un e forme partiellement ovale, "en goutte d'eau" ; et- les moyens (4) de fixatio n de l'implant (1) aux vertèbres (10) sont conçus pour permettre un assemblage non rigide de cet implant (1) à ces vertèbres (10), c'est-à-dire autorisant une légère déformation de l'implant (1) par rapport aux vertèbres (10) lors du mouvement de ces vertèbres.
Claims (8)
1 - Implant intervertébral (1), notamment destiné au traitement de vertèbres cervicales (10) par voie d'abord antérieur, comprenant deux parois latérales (2) d'appui contre les plateaux vertébraux et une paroi intermédiaire (3) de raccordement de ces parois latérales d'appui, cet implant (1) étant déformable élastiquement pour son insertion entre les vertèbres (10) à traiter et pour permettre de restaurer une mobilité amortie de ces vertèbres (10), et comprenant des moyens (4) pour son assemblage à ces vertèbres (10) ;
implant (1) caractérisé en ce que :
- lesdites parois latérales d'appui (2) présentent, vues de profil, des formes courbes avec leur convexité tournée vers l'extérieur de l'implant (1) ;
- ladite paroi intermédiaire (3) présente une forme courbe, avec sa convexité tournée vers l'extérieur de l'implant (1), et est telle qu'elle ne forme pas d'angles marqués avec lesdites parois latérales d'appui (2), ces parois latérales d'appui (2) et cette paroi intermédiaire (3) ayant ainsi, vues de profil, une forme partiellement ovale, "en goutte d'eau" ; et - les moyens (4) de fixation de l'implant (1) aux vertèbres (10) sont conçus pour permettre un assemblage non rigide de cet implant (1) à ces vertèbres (10), c'est-à-dire autorisant une légère déformation de l'implant (1) par rapport aux vertèbres (10) lors du mouvement de ces vertèbres.
implant (1) caractérisé en ce que :
- lesdites parois latérales d'appui (2) présentent, vues de profil, des formes courbes avec leur convexité tournée vers l'extérieur de l'implant (1) ;
- ladite paroi intermédiaire (3) présente une forme courbe, avec sa convexité tournée vers l'extérieur de l'implant (1), et est telle qu'elle ne forme pas d'angles marqués avec lesdites parois latérales d'appui (2), ces parois latérales d'appui (2) et cette paroi intermédiaire (3) ayant ainsi, vues de profil, une forme partiellement ovale, "en goutte d'eau" ; et - les moyens (4) de fixation de l'implant (1) aux vertèbres (10) sont conçus pour permettre un assemblage non rigide de cet implant (1) à ces vertèbres (10), c'est-à-dire autorisant une légère déformation de l'implant (1) par rapport aux vertèbres (10) lors du mouvement de ces vertèbres.
2 - Implant (1) selon la revendication 1, caractérisé en ce que ladite paroi intermédiaire (3) est conformée de manière, lorsqu'elle n'est pas déformée, à maintenir lesdites parois latérales d'appui (2) à une distance l'une de l'autre légèrement supérieure à la hauteur de l'espace intervertébral à
restaurer.
restaurer.
3 - Implant (1) selon la revendication 1 ou la revendication 2, caractérisé en ce qu'il est réalisé par pliage d'une même pièce de matériau approprié, notamment d'un flan de tôle métallique.
4 - Implant (1) selon la revendication 3, caractérisé en ce que le matériau utilisé est l'alliage de titane, d'aluminium et de vanadium connu sous la référence "TA6V".
- Implant (1) selon l'une des revendications 1 à 4, caractérisé en ce que lesdits moyens permettant sa fixation comprennent au moins une série de nervures (4) parallèles entre elles, à arêtes libres acérées, faisant saillie de la face extérieure de l'extrémité libre d'une paroi latérale d'appui (2).
6 - Implant (1) selon la revendication 5, caractérisé en ce qu'il comprend deux séries de nervures (4), une sur l'une des parois latérales (2), l'autre sur l'autre paroi latérale (2) et en ce qu'il présente une paroi latérale (2) "inférieure", c'est-à-dire venant contre la vertèbre (10) inférieure lors de la mise en place, ayant une longueur supérieure à l'autre paroi latérale (2).
7 - Gamme d'implants comprenant au moins un implant intervertébral (1) selon l'une des revendications 1 à 6, caractérisée en ce qu'elle comprend au moins un autre implant intervertébral (11), destiné à
réaliser une fusion entre les deux vertèbres (10) à traiter, cet autre implant (11), dit ci-après "de fusion", présentant une structure similaire à celle de l'implant (1) mais comprenant des moyens de fixation qui permettent son assemblage rigide autres vertèbres (10) traitées.
8 - Gamme d'implants selon la revendication 7, caractérisée en ce que lesdits moyens permettant la fixation de l'implant "de fusion" (11) comprennent au moins une patte (5) solidaire de l'une desdites parois latérales d'appui (2), percée d'un trou de réception d'une vis d'ancrage (6), cette vis (6) étant destinée à être insérée dans le corps de la vertèbre (10) correspondante.
9 - Gamme d'implants selon la revendication 7 ou la revendication
réaliser une fusion entre les deux vertèbres (10) à traiter, cet autre implant (11), dit ci-après "de fusion", présentant une structure similaire à celle de l'implant (1) mais comprenant des moyens de fixation qui permettent son assemblage rigide autres vertèbres (10) traitées.
8 - Gamme d'implants selon la revendication 7, caractérisée en ce que lesdits moyens permettant la fixation de l'implant "de fusion" (11) comprennent au moins une patte (5) solidaire de l'une desdites parois latérales d'appui (2), percée d'un trou de réception d'une vis d'ancrage (6), cette vis (6) étant destinée à être insérée dans le corps de la vertèbre (10) correspondante.
9 - Gamme d'implants selon la revendication 7 ou la revendication
8, caractérisée en ce que lesdites parois latérales d'appui (2) de l'implant "de fusion" (11) présentent des revêtements de surface favorisant leur ostéo-intégration et/ou comprennent des trous qui mettent l'espace qu'elles délimitent entre elles en communication avec l'extérieur de l'implant (1).
- Gamme d'implants selon la revendication 9, caractérisée en ce que l'implant "de fusion" (11) reçoit un greffon osseux dans l'espace que lesdites parois latérales d'appui (2) délimitent entre elles.
- Gamme d'implants selon la revendication 9, caractérisée en ce que l'implant "de fusion" (11) reçoit un greffon osseux dans l'espace que lesdites parois latérales d'appui (2) délimitent entre elles.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0203252A FR2837094B1 (fr) | 2002-03-15 | 2002-03-15 | Implant intervertebral |
FR02/03252 | 2002-03-15 | ||
PCT/FR2003/000799 WO2003077806A1 (fr) | 2002-03-15 | 2003-03-13 | Implant intervertebral dynamique |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2478842A1 true CA2478842A1 (fr) | 2003-09-25 |
CA2478842C CA2478842C (fr) | 2011-09-13 |
Family
ID=27772167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2478842A Expired - Fee Related CA2478842C (fr) | 2002-03-15 | 2003-03-13 | Implant intervertebral dynamique |
Country Status (10)
Country | Link |
---|---|
US (4) | US7867276B2 (fr) |
EP (1) | EP1485045B1 (fr) |
JP (2) | JP4481658B2 (fr) |
KR (1) | KR101033969B1 (fr) |
AU (1) | AU2003227829A1 (fr) |
CA (1) | CA2478842C (fr) |
DE (1) | DE20321907U1 (fr) |
ES (1) | ES2548563T3 (fr) |
FR (1) | FR2837094B1 (fr) |
WO (1) | WO2003077806A1 (fr) |
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-
2002
- 2002-03-15 FR FR0203252A patent/FR2837094B1/fr not_active Expired - Fee Related
-
2003
- 2003-03-13 JP JP2003575862A patent/JP4481658B2/ja not_active Expired - Lifetime
- 2003-03-13 WO PCT/FR2003/000799 patent/WO2003077806A1/fr active Application Filing
- 2003-03-13 KR KR1020047014416A patent/KR101033969B1/ko active IP Right Grant
- 2003-03-13 EP EP03725283.0A patent/EP1485045B1/fr not_active Expired - Lifetime
- 2003-03-13 AU AU2003227829A patent/AU2003227829A1/en not_active Abandoned
- 2003-03-13 ES ES03725283.0T patent/ES2548563T3/es not_active Expired - Lifetime
- 2003-03-13 CA CA2478842A patent/CA2478842C/fr not_active Expired - Fee Related
- 2003-03-13 DE DE20321907U patent/DE20321907U1/de not_active Expired - Lifetime
- 2003-03-13 US US10/506,219 patent/US7867276B2/en active Active
-
2009
- 2009-11-02 JP JP2009252098A patent/JP4971408B2/ja not_active Expired - Lifetime
-
2011
- 2011-01-07 US US12/986,722 patent/US8337555B2/en not_active Expired - Fee Related
- 2011-01-07 US US12/986,714 patent/US9259325B2/en not_active Expired - Fee Related
-
2016
- 2016-02-12 US US15/042,441 patent/US9610170B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20110106256A1 (en) | 2011-05-05 |
ES2548563T3 (es) | 2015-10-19 |
DE20321907U1 (de) | 2012-10-29 |
US7867276B2 (en) | 2011-01-11 |
US20050125063A1 (en) | 2005-06-09 |
US9259325B2 (en) | 2016-02-16 |
JP2005520598A (ja) | 2005-07-14 |
KR101033969B1 (ko) | 2011-05-11 |
KR20040091735A (ko) | 2004-10-28 |
CA2478842C (fr) | 2011-09-13 |
FR2837094A1 (fr) | 2003-09-19 |
JP2010042287A (ja) | 2010-02-25 |
WO2003077806A1 (fr) | 2003-09-25 |
JP4481658B2 (ja) | 2010-06-16 |
AU2003227829A1 (en) | 2003-09-29 |
US8337555B2 (en) | 2012-12-25 |
US20160166398A1 (en) | 2016-06-16 |
EP1485045A1 (fr) | 2004-12-15 |
JP4971408B2 (ja) | 2012-07-11 |
US9610170B2 (en) | 2017-04-04 |
US20110106257A1 (en) | 2011-05-05 |
EP1485045B1 (fr) | 2015-07-01 |
FR2837094B1 (fr) | 2004-11-26 |
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Date | Code | Title | Description |
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MKLA | Lapsed |
Effective date: 20210315 |