WO2005070165A3 - Pedicle screw constructs for spine fixation systems - Google Patents

Pedicle screw constructs for spine fixation systems Download PDF

Info

Publication number
WO2005070165A3
WO2005070165A3 PCT/US2005/000898 US2005000898W WO2005070165A3 WO 2005070165 A3 WO2005070165 A3 WO 2005070165A3 US 2005000898 W US2005000898 W US 2005000898W WO 2005070165 A3 WO2005070165 A3 WO 2005070165A3
Authority
WO
WIPO (PCT)
Prior art keywords
pedicle screw
construct
coupling
head
fixation
Prior art date
Application number
PCT/US2005/000898
Other languages
French (fr)
Other versions
WO2005070165A2 (en
Inventor
Michael S Butler
Jim A Youssef
Alan S Hilibrand
Original Assignee
Life Spine Llc
Michael S Butler
Jim A Youssef
Alan S Hilibrand
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 Life Spine Llc, Michael S Butler, Jim A Youssef, Alan S Hilibrand filed Critical Life Spine Llc
Priority to EP05705519A priority Critical patent/EP1703849A4/en
Priority to JP2006549545A priority patent/JP4621691B2/en
Priority to AU2005206822A priority patent/AU2005206822B2/en
Publication of WO2005070165A2 publication Critical patent/WO2005070165A2/en
Publication of WO2005070165A3 publication Critical patent/WO2005070165A3/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
    • A61B17/7035Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other
    • A61B17/7038Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other to a different extent in different directions, e.g. within one plane only
    • 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
    • A61B17/7032Screws or hooks with U-shaped head or back through which longitudinal rods pass
    • A61B17/7034Screws or hooks with U-shaped head or back through which longitudinal rods pass characterised by a lateral opening
    • 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 pedicle screw coupling construct (31, 120, 140, 191, 260) for a pedicle screw construct (30, 190, 286) provides fixation of angular orientation (β, Ϝ, θ) thereof relative to a pedicle screw (32) independent of fixation of a received spinal rod (25, 170, 250, 280) to the coupling construct (31, 120, 140, 191, 260). The pedicle screw construct (30, 190, 286) forms one component or element in a spinal fixation system. The independent fixation coupling construct also provides for fixation of the angular orientation of the coupling construct while the coupling construct has received the spinal rod. In another form, a coupling head or construct (31, 120, 140, 191, 260) is configured to allow a pedicle screw shaft (42) to pass therethrough but retain the pedicle screw head (44) for rotation of the coupling head about the pedicle screw head. The coupling head or construct (31, 120, 140, 191, 260) is also configured to allow at least a 45° arc of pivot or articulation about a pedicle screw shaft (42) relative to a longitudinal axis of a spinal rod (25, 170, 250, 280) received in the body. This allows the head with a received spinal rod to fold, bend or pivot relative to the pedicle screw shaft, particularly to a greater degree than the prior art.
PCT/US2005/000898 2004-01-13 2005-01-13 Pedicle screw constructs for spine fixation systems WO2005070165A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05705519A EP1703849A4 (en) 2004-01-13 2005-01-13 Pedicle screw constructs for spine fixation systems
JP2006549545A JP4621691B2 (en) 2004-01-13 2005-01-13 Pedicle screw structure for spinal fixation system
AU2005206822A AU2005206822B2 (en) 2004-01-13 2005-01-13 Pedicle screw constructs for spine fixation systems

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US53631904P 2004-01-13 2004-01-13
US60/536,319 2004-01-13
US11/034,300 US7678137B2 (en) 2004-01-13 2005-01-12 Pedicle screw constructs for spine fixation systems

Publications (2)

Publication Number Publication Date
WO2005070165A2 WO2005070165A2 (en) 2005-08-04
WO2005070165A3 true WO2005070165A3 (en) 2005-12-01

Family

ID=34863785

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/000898 WO2005070165A2 (en) 2004-01-13 2005-01-13 Pedicle screw constructs for spine fixation systems

Country Status (4)

Country Link
US (2) US7678137B2 (en)
JP (1) JP4621691B2 (en)
AU (1) AU2005206822B2 (en)
WO (1) WO2005070165A2 (en)

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US20080021473A1 (en) 2008-01-24
WO2005070165A2 (en) 2005-08-04
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AU2005206822B2 (en) 2010-09-16
US8092494B2 (en) 2012-01-10

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