WO2005122928A3 - Spinal fixation device - Google Patents

Spinal fixation device Download PDF

Info

Publication number
WO2005122928A3
WO2005122928A3 PCT/US2005/020609 US2005020609W WO2005122928A3 WO 2005122928 A3 WO2005122928 A3 WO 2005122928A3 US 2005020609 W US2005020609 W US 2005020609W WO 2005122928 A3 WO2005122928 A3 WO 2005122928A3
Authority
WO
WIPO (PCT)
Prior art keywords
receiving region
connecting rod
fixation device
anchor
retainer
Prior art date
Application number
PCT/US2005/020609
Other languages
French (fr)
Other versions
WO2005122928A2 (en
Inventor
James R Mujwid
Original Assignee
Zimmer Spine Inc
James R Mujwid
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 Zimmer Spine Inc, James R Mujwid filed Critical Zimmer Spine Inc
Priority to AT05760406T priority Critical patent/ATE526892T1/en
Priority to EP05760406A priority patent/EP1755472B1/en
Publication of WO2005122928A2 publication Critical patent/WO2005122928A2/en
Publication of WO2005122928A3 publication Critical patent/WO2005122928A3/en

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)

Abstract

A bone fixation device including a retainer and an anchor. The retainer includes first and second receiving regions. The first receiving region (20) is configured for receipt of a connecting rod. The second receiving region (30) is configured for receipt of an anchor. The first receiving region is constructed so that a connecting rod can be positioned within the receiving region at a number of non-coaxial orientations (Fig.9). The first receiving region is also constructed to accommodate a curved connecting rod (Fig.10). A flexible, integral locking structure (60) is located between the first and second receiving regions. The locking structure is arranged to secure each of the retainer, an anchor, and a connecting rod in a position relative to one another.
PCT/US2005/020609 2004-06-09 2005-06-09 Spinal fixation device WO2005122928A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT05760406T ATE526892T1 (en) 2004-06-09 2005-06-09 INTERNAL SPINE FIXATOR
EP05760406A EP1755472B1 (en) 2004-06-09 2005-06-09 Spinal fixation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/865,672 US7935135B2 (en) 2004-06-09 2004-06-09 Spinal fixation device
US10/865,672 2004-06-09

Publications (2)

Publication Number Publication Date
WO2005122928A2 WO2005122928A2 (en) 2005-12-29
WO2005122928A3 true WO2005122928A3 (en) 2006-06-15

Family

ID=35044783

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/020609 WO2005122928A2 (en) 2004-06-09 2005-06-09 Spinal fixation device

Country Status (4)

Country Link
US (1) US7935135B2 (en)
EP (1) EP1755472B1 (en)
AT (1) ATE526892T1 (en)
WO (1) WO2005122928A2 (en)

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US20060089643A1 (en) 2006-04-27
US7935135B2 (en) 2011-05-03
EP1755472A2 (en) 2007-02-28
WO2005122928A2 (en) 2005-12-29
ATE526892T1 (en) 2011-10-15

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