WO2004047657A3 - Dispositif d’ancrage vertebral et son dispositif de blocage sur une vis poly axiale - Google Patents

Dispositif d’ancrage vertebral et son dispositif de blocage sur une vis poly axiale Download PDF

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Publication number
WO2004047657A3
WO2004047657A3 PCT/FR2003/003054 FR0303054W WO2004047657A3 WO 2004047657 A3 WO2004047657 A3 WO 2004047657A3 FR 0303054 W FR0303054 W FR 0303054W WO 2004047657 A3 WO2004047657 A3 WO 2004047657A3
Authority
WO
WIPO (PCT)
Prior art keywords
locking
connector
spherical head
polyaxial screw
same onto
Prior art date
Application number
PCT/FR2003/003054
Other languages
English (en)
Other versions
WO2004047657A2 (fr
Inventor
Rodolphe Lourdel
Jean-Yves Leroy
Pascal Rokegem
Arnaud Pommier
Original Assignee
Eurosurgical
Rodolphe Lourdel
Jean-Yves Leroy
Pascal Rokegem
Arnaud Pommier
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 Eurosurgical, Rodolphe Lourdel, Jean-Yves Leroy, Pascal Rokegem, Arnaud Pommier filed Critical Eurosurgical
Priority to AU2003302363A priority Critical patent/AU2003302363A1/en
Publication of WO2004047657A2 publication Critical patent/WO2004047657A2/fr
Publication of WO2004047657A3 publication Critical patent/WO2004047657A3/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
    • A61B17/7001—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
    • 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

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)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

Le dispositif d’ancrage vertébral suivant la présente invention comprend un connecteur (2), une tige de liaison (10) et une vis d’ancrage poly axiale (3) comportant une tête sphérique (15) et un corps fileté (16) dont le diamètre externe d au sommet des dents du filetage (17) est supérieur à celui externe a de la tête sphérique (15), chaque connecteur (2) étant constitué d’un élément de connexion (4) comportant des branches verticales (5, 6) délimitant une ouverture (7) en forme de U, et d’un clip de verrouillage (8) muni d’une vis de pression (9) pour le blocage dans le fond du U de la tige de liaison (10), ledit élément de connexion (4) étant percé en son milieu d’un alésage vertical (11) permettant de recevoir à l’opposé de l’ouverture (7) un dispositif de blocage (19) formé d’un bague (20) et d’une douille filetée (21) pour la mise en place et le positionnement du connecteur (2) sur la tête sphérique (15) de la vis d’ancrage (3).
PCT/FR2003/003054 2002-11-19 2003-10-16 Dispositif d’ancrage vertebral et son dispositif de blocage sur une vis poly axiale WO2004047657A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003302363A AU2003302363A1 (en) 2002-11-19 2003-10-16 Vertebral anchoring device and device for locking same onto a polyaxial screw

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR02/14454 2002-11-19
FR0214454A FR2847152B1 (fr) 2002-11-19 2002-11-19 Dispositif d'ancrage vertebral et son dispositif de blocage sur une vis poly axiale

Publications (2)

Publication Number Publication Date
WO2004047657A2 WO2004047657A2 (fr) 2004-06-10
WO2004047657A3 true WO2004047657A3 (fr) 2009-04-02

Family

ID=32187719

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2003/003054 WO2004047657A2 (fr) 2002-11-19 2003-10-16 Dispositif d’ancrage vertebral et son dispositif de blocage sur une vis poly axiale

Country Status (4)

Country Link
US (1) US7479156B2 (fr)
AU (1) AU2003302363A1 (fr)
FR (1) FR2847152B1 (fr)
WO (1) WO2004047657A2 (fr)

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US7479156B2 (en) 2009-01-20
FR2847152B1 (fr) 2005-02-18
AU2003302363A1 (en) 2004-06-18
FR2847152A1 (fr) 2004-05-21
US20040097933A1 (en) 2004-05-20

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