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WO1994006361A3 - Systeme et procede pour stabiliser des segments d'os - Google Patents

Systeme et procede pour stabiliser des segments d'os Download PDF

Info

Publication number
WO1994006361A3
WO1994006361A3 PCT/US1993/008475 US9308475W WO9406361A3 WO 1994006361 A3 WO1994006361 A3 WO 1994006361A3 US 9308475 W US9308475 W US 9308475W WO 9406361 A3 WO9406361 A3 WO 9406361A3
Authority
WO
WIPO (PCT)
Prior art keywords
bone
rod
threaded
posts
post
Prior art date
Application number
PCT/US1993/008475
Other languages
English (en)
Other versions
WO1994006361A2 (fr
Inventor
Robert E. Jacobson
Brian J. Mirson
Original Assignee
H.D. Medical, Inc.
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 H.D. Medical, Inc. filed Critical H.D. Medical, Inc.
Priority to EP93920504A priority Critical patent/EP0719114A1/fr
Priority to JP6508156A priority patent/JPH08501237A/ja
Publication of WO1994006361A2 publication Critical patent/WO1994006361A2/fr
Publication of WO1994006361A3 publication Critical patent/WO1994006361A3/fr

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
    • A61B17/7049—Connectors, not bearing on the vertebrae, for linking longitudinal elements together
    • A61B17/7052—Connectors, not bearing on the vertebrae, for linking longitudinal elements together of variable angle or length
    • 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
    • A61B17/686—Plugs, i.e. elements forming interface between bone hole and implant or fastener, e.g. screw
    • 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
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/701—Longitudinal elements with a non-circular, e.g. rectangular, cross-section
    • 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
    • A61B17/7041—Screws or hooks combined with longitudinal elements which do not contact vertebrae with single longitudinal rod offset laterally from single row of screws or hooks
    • 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
    • A61B17/7055—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant connected to sacrum, pelvis or skull

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Neurology (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)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

Un appareil pour stabiliser une pluralité de segments d'os, tels que des vertèbres d'une colonne vertébrale, comporte un ou plusieurs dispositifs de fixation. Chaque dispositif de fixation comprend une tige allongée (20) traversée par une fente longitudinale (18) au niveau de ses surfaces supérieure et inférieure (22, 24) et possédant des surfaces latérales filetées. Des blocs (30) fendus ou filetés axialement se déplacent par coulissement ou rotation le long de chaque tige (20) pour venir dans des positions prédéterminées correspondant aux endroits choisis pour fixer l'appareil à l'os. Il est également prévu des montants (42) ayant des extrémités distales filetées, de sorte que l'extrémité distale de chaque montant s'insère dans l'os. L'extrémité proximale de chaque montant passe à travers la fente longitudinale (18) de la tige (20) et également à travers un alésage vertical (32) ménagé dans le bloc (30). Les endroits auxquels des efforts correctifs sont appliqués par les montants (42) peuvent être modifiés par rapport aux tiges dans trois plans.
PCT/US1993/008475 1992-09-10 1993-09-09 Systeme et procede pour stabiliser des segments d'os WO1994006361A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP93920504A EP0719114A1 (fr) 1992-09-10 1993-09-09 Systeme et procede pour stabiliser des segments d'os
JP6508156A JPH08501237A (ja) 1992-09-10 1993-09-09 骨セグメントを固定するためのシステム及び方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/944,206 US5382248A (en) 1992-09-10 1992-09-10 System and method for stabilizing bone segments
US944,206 1992-09-10

Publications (2)

Publication Number Publication Date
WO1994006361A2 WO1994006361A2 (fr) 1994-03-31
WO1994006361A3 true WO1994006361A3 (fr) 1994-05-26

Family

ID=25480996

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1993/008475 WO1994006361A2 (fr) 1992-09-10 1993-09-09 Systeme et procede pour stabiliser des segments d'os

Country Status (4)

Country Link
US (1) US5382248A (fr)
EP (1) EP0719114A1 (fr)
JP (1) JPH08501237A (fr)
WO (1) WO1994006361A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101085728B1 (ko) 2004-03-04 2011-11-21 신세스 게엠바하 뼈연결요소용 연결봉

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* Cited by examiner, † Cited by third party
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EP0719114A1 (fr) 1996-07-03
US5382248A (en) 1995-01-17

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