WO2004071339A3 - Low profile spinal fixation system - Google Patents

Low profile spinal fixation system Download PDF

Info

Publication number
WO2004071339A3
WO2004071339A3 PCT/US2004/003605 US2004003605W WO2004071339A3 WO 2004071339 A3 WO2004071339 A3 WO 2004071339A3 US 2004003605 W US2004003605 W US 2004003605W WO 2004071339 A3 WO2004071339 A3 WO 2004071339A3
Authority
WO
WIPO (PCT)
Prior art keywords
rod
low profile
fixation system
spinal fixation
coupling member
Prior art date
Application number
PCT/US2004/003605
Other languages
French (fr)
Other versions
WO2004071339A2 (en
Inventor
Brian P Janowski
Francis J Korhonen
Thomas S Kilpela
Gregory Berrevoets
Original Assignee
Pioneer Lab Inc
Brian P Janowski
Francis J Korhonen
Thomas S Kilpela
Gregory Berrevoets
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 Pioneer Lab Inc, Brian P Janowski, Francis J Korhonen, Thomas S Kilpela, Gregory Berrevoets filed Critical Pioneer Lab Inc
Priority to JP2006503408A priority Critical patent/JP4530178B2/en
Priority to BR0407295-2A priority patent/BRPI0407295A/en
Priority to DE112004000251T priority patent/DE112004000251T5/en
Priority to CA002515432A priority patent/CA2515432A1/en
Priority to GB0517491A priority patent/GB2414680B/en
Priority to AU2004211957A priority patent/AU2004211957A1/en
Priority to US10/549,873 priority patent/US8075590B2/en
Publication of WO2004071339A2 publication Critical patent/WO2004071339A2/en
Publication of WO2004071339A3 publication Critical patent/WO2004071339A3/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7032Screws or hooks with U-shaped head or back through which longitudinal rods pass
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7035Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • A61B17/7037Screws 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

Abstract

A spinal fixation system (500) is provided that, in one form, includes a coupling member (514) having a cam lock member (518) that is fixed against translation therealong as it is turned with turning of the cam lock member (518) causing an elongate member (16) such as a spinal rod to be pushed downward in the coupling member (514) for fixing the rod therein. In another aspect, the rod is fixed against a low profile insert (516) that seats in a recess formed in the head of an anchor member (502) projecting from the coupling member (514). The insert has an upper surface against which the rod is fixed and that in one form is flat to provide for line contact against the rod so as to minimize damage thereto.
PCT/US2004/003605 2003-02-05 2004-02-05 Low profile spinal fixation system WO2004071339A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2006503408A JP4530178B2 (en) 2003-02-05 2004-02-05 Low dimension spinal fixation system
BR0407295-2A BRPI0407295A (en) 2003-02-05 2004-02-05 Spinal Fixation System
DE112004000251T DE112004000251T5 (en) 2003-02-05 2004-02-05 Low-profile spinal fixation system
CA002515432A CA2515432A1 (en) 2003-02-05 2004-02-05 Low profile spinal fixation system
GB0517491A GB2414680B (en) 2003-02-05 2004-02-05 Low profile spinal fixation system
AU2004211957A AU2004211957A1 (en) 2003-02-05 2004-02-05 Low profile spinal fixation system
US10/549,873 US8075590B2 (en) 2003-02-05 2004-02-05 Low profile spinal fixation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/358,530 2003-02-05
US10/358,530 US7141051B2 (en) 2003-02-05 2003-02-05 Low profile spinal fixation system

Publications (2)

Publication Number Publication Date
WO2004071339A2 WO2004071339A2 (en) 2004-08-26
WO2004071339A3 true WO2004071339A3 (en) 2005-06-02

Family

ID=32771213

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/003605 WO2004071339A2 (en) 2003-02-05 2004-02-05 Low profile spinal fixation system

Country Status (9)

Country Link
US (2) US7141051B2 (en)
JP (1) JP4530178B2 (en)
CN (1) CN100556380C (en)
AU (1) AU2004211957A1 (en)
BR (1) BRPI0407295A (en)
CA (1) CA2515432A1 (en)
DE (1) DE112004000251T5 (en)
GB (1) GB2414680B (en)
WO (1) WO2004071339A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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JP4530178B2 (en) 2010-08-25
US8075590B2 (en) 2011-12-13

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