WO2005096974A3 - Head-to-head connector spinal fixation system - Google Patents

Head-to-head connector spinal fixation system Download PDF

Info

Publication number
WO2005096974A3
WO2005096974A3 PCT/US2005/010513 US2005010513W WO2005096974A3 WO 2005096974 A3 WO2005096974 A3 WO 2005096974A3 US 2005010513 W US2005010513 W US 2005010513W WO 2005096974 A3 WO2005096974 A3 WO 2005096974A3
Authority
WO
WIPO (PCT)
Prior art keywords
bone anchors
head
rod
fixation system
spinal fixation
Prior art date
Application number
PCT/US2005/010513
Other languages
French (fr)
Other versions
WO2005096974A2 (en
Inventor
Iain H Kalfas
Carl Lauryssen
Steven Ludwig
Michael O'brien
Thomas Doherty
Mark T Hall
Bryan S Jones
David Konieczynski
Raymond F Murphy
Original Assignee
Depuy Spine Inc
Iain H Kalfas
Carl Lauryssen
Steven Ludwig
Michael O'brien
Thomas Doherty
Mark T Hall
Bryan S Jones
David Konieczynski
Raymond F Murphy
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 Depuy Spine Inc, Iain H Kalfas, Carl Lauryssen, Steven Ludwig, Michael O'brien, Thomas Doherty, Mark T Hall, Bryan S Jones, David Konieczynski, Raymond F Murphy filed Critical Depuy Spine Inc
Priority to EP05730315A priority Critical patent/EP1729664B1/en
Priority to CA2562949A priority patent/CA2562949C/en
Priority to DE602005021621T priority patent/DE602005021621D1/en
Priority to AT05730315T priority patent/ATE469611T1/en
Priority to JP2007506470A priority patent/JP5138365B2/en
Priority to AU2005231362A priority patent/AU2005231362B2/en
Publication of WO2005096974A2 publication Critical patent/WO2005096974A2/en
Publication of WO2005096974A3 publication Critical patent/WO2005096974A3/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
    • A61B17/7049—Connectors, not bearing on the vertebrae, for linking longitudinal elements together
    • 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
    • A61B17/7035—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
    • A61B17/7071—Implants for expanding or repairing the vertebral arch or wedged between laminae or pedicles; Tools therefor
    • 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
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7011—Longitudinal element being non-straight, e.g. curved, angled or branched
    • 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
    • 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
    • A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8028—Cushions, i.e. elements forming interface between bone plate and bone

Abstract

A spinal fixation system comprising at least two bone anchors, a rod connecting the bone anchors and a connecting plate extending from a proximal surface of at least one of the bone anchors. A method of fixing vertebrae relative to each other comprising the steps of: implanting bone anchors in two adjacent vertebrae, each bone anchor having a rod receiving portion; placing a rod in the rod receiving portions, thereby connecting the bone anchors; threadably engaging set screws in the rod receiving portions of at least a portion of the bone anchors, thereby fixing the rod to the bone anchors; mating one end of a connecting plate to a proximal bearing surface of at least a portion of the bone anchors; and engaging a cap with at least a portion of the set screws, thereby fixing the connecting plate to the bone anchors.
PCT/US2005/010513 2004-03-31 2005-03-29 Head-to-head connector spinal fixation system WO2005096974A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP05730315A EP1729664B1 (en) 2004-03-31 2005-03-29 Head-to-head connector spinal fixation system
CA2562949A CA2562949C (en) 2004-03-31 2005-03-29 Head-to-head connector spinal fixation system
DE602005021621T DE602005021621D1 (en) 2004-03-31 2005-03-29 SPINE-FIXING SYSTEM WITH HEAD-ON-HEAD CONNECTORS
AT05730315T ATE469611T1 (en) 2004-03-31 2005-03-29 SPINAL FIXATION SYSTEM WITH HEAD-TO-HEAD CONNECTORS
JP2007506470A JP5138365B2 (en) 2004-03-31 2005-03-29 Inter-screw connector spinal fixation system
AU2005231362A AU2005231362B2 (en) 2004-03-31 2005-03-29 Head-to-head connector spinal fixation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/813,904 2004-03-31
US10/813,904 US7645294B2 (en) 2004-03-31 2004-03-31 Head-to-head connector spinal fixation system

Publications (2)

Publication Number Publication Date
WO2005096974A2 WO2005096974A2 (en) 2005-10-20
WO2005096974A3 true WO2005096974A3 (en) 2006-01-12

Family

ID=34964093

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/010513 WO2005096974A2 (en) 2004-03-31 2005-03-29 Head-to-head connector spinal fixation system

Country Status (8)

Country Link
US (2) US7645294B2 (en)
EP (1) EP1729664B1 (en)
JP (1) JP5138365B2 (en)
AT (1) ATE469611T1 (en)
AU (1) AU2005231362B2 (en)
CA (1) CA2562949C (en)
DE (1) DE602005021621D1 (en)
WO (1) WO2005096974A2 (en)

Cited By (4)

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US8096996B2 (en) 2007-03-20 2012-01-17 Exactech, Inc. Rod reducer
US8226690B2 (en) 2005-07-22 2012-07-24 The Board Of Trustees Of The Leland Stanford Junior University Systems and methods for stabilization of bone structures
US8267969B2 (en) 2004-10-20 2012-09-18 Exactech, Inc. Screw systems and methods for use in stabilization of bone structures
US8523865B2 (en) 2005-07-22 2013-09-03 Exactech, Inc. Tissue splitter

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US7645294B2 (en) 2010-01-12
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