FR2923373B1 - Dispositif dynamique posterieur a deformation elastique pour l'instrumentation d'au moins un etage de vertebres d'un segment rachidien - Google Patents

Dispositif dynamique posterieur a deformation elastique pour l'instrumentation d'au moins un etage de vertebres d'un segment rachidien

Info

Publication number
FR2923373B1
FR2923373B1 FR0707840A FR0707840A FR2923373B1 FR 2923373 B1 FR2923373 B1 FR 2923373B1 FR 0707840 A FR0707840 A FR 0707840A FR 0707840 A FR0707840 A FR 0707840A FR 2923373 B1 FR2923373 B1 FR 2923373B1
Authority
FR
France
Prior art keywords
elastic deformation
vertebrates
instrumentation
floor
derivative device
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.)
Active
Application number
FR0707840A
Other languages
English (en)
Other versions
FR2923373A1 (fr
Inventor
Alain Tornier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clariance SAS
Original Assignee
Clariance SAS
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
Application filed by Clariance SAS filed Critical Clariance SAS
Priority to FR0707840A priority Critical patent/FR2923373B1/fr
Publication of FR2923373A1 publication Critical patent/FR2923373A1/fr
Application granted granted Critical
Publication of FR2923373B1 publication Critical patent/FR2923373B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
    • A61B17/7007—Parts of the longitudinal elements, e.g. their ends, being specially adapted to fit around the screw or hook heads
    • 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
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7032—Screws or hooks with U-shaped head or back through which longitudinal rods pass
    • 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
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • 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
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7035—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • A61B17/7037—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other wherein pivoting is blocked when the rod is clamped

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

Le dispositif dynamique postérieur à déformation élastique suivant la présente invention est constitué de premiers et seconds éléments d'ancrage (2, 3) venant se fixer dans les pédicules de chaque vertèbre Ve du segment rachidien Sr à instrumenter et de tiges de liaison (4) comportant respectivement d'une part des moyens de déformation élastique (5) coopérant avec les premiers éléments d'ancrage (2) et d'autre part des moyens de liaison (6) coopérant avec les seconds éléments d'ancrage (3).
FR0707840A 2007-11-08 2007-11-08 Dispositif dynamique posterieur a deformation elastique pour l'instrumentation d'au moins un etage de vertebres d'un segment rachidien Active FR2923373B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0707840A FR2923373B1 (fr) 2007-11-08 2007-11-08 Dispositif dynamique posterieur a deformation elastique pour l'instrumentation d'au moins un etage de vertebres d'un segment rachidien

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0707840A FR2923373B1 (fr) 2007-11-08 2007-11-08 Dispositif dynamique posterieur a deformation elastique pour l'instrumentation d'au moins un etage de vertebres d'un segment rachidien

Publications (2)

Publication Number Publication Date
FR2923373A1 FR2923373A1 (fr) 2009-05-15
FR2923373B1 true FR2923373B1 (fr) 2010-11-26

Family

ID=39400443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0707840A Active FR2923373B1 (fr) 2007-11-08 2007-11-08 Dispositif dynamique posterieur a deformation elastique pour l'instrumentation d'au moins un etage de vertebres d'un segment rachidien

Country Status (1)

Country Link
FR (1) FR2923373B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2659546B1 (fr) * 1990-03-19 1996-03-08 Philippe Lapresle Dispositif de fixation orientable de tiges d'osteosynthese rachidienne.
FR2701650B1 (fr) * 1993-02-17 1995-05-24 Psi Amortisseur double pour la stabilisation intervertébrale.
FR2712481B1 (fr) * 1993-11-18 1996-01-12 Graf Henry Perfectionnements aux stabilisateurs inter-vertébraux souples.
CA2573649C (fr) * 2004-07-12 2012-04-10 Synthes (U.S.A.) Dispositif de fixation dynamique d'os

Also Published As

Publication number Publication date
FR2923373A1 (fr) 2009-05-15

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