WO2009024730A3 - Intervertebral stabilisation assembly for arthrodesis including a damping member - Google Patents

Intervertebral stabilisation assembly for arthrodesis including a damping member Download PDF

Info

Publication number
WO2009024730A3
WO2009024730A3 PCT/FR2008/051499 FR2008051499W WO2009024730A3 WO 2009024730 A3 WO2009024730 A3 WO 2009024730A3 FR 2008051499 W FR2008051499 W FR 2008051499W WO 2009024730 A3 WO2009024730 A3 WO 2009024730A3
Authority
WO
WIPO (PCT)
Prior art keywords
arthrodesis
damping member
rigid
intervertebral
stabilisation assembly
Prior art date
Application number
PCT/FR2008/051499
Other languages
French (fr)
Other versions
WO2009024730A2 (en
Inventor
Henry Graf
Original Assignee
Henry Graf
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 Henry Graf filed Critical Henry Graf
Publication of WO2009024730A2 publication Critical patent/WO2009024730A2/en
Publication of WO2009024730A3 publication Critical patent/WO2009024730A3/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
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
    • A61B17/7025—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a sliding joint
    • 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
    • A61B17/7019—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other
    • A61B17/7031—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other made wholly or partly of flexible material
    • 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
    • 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
    • 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
    • A61B17/7058—Plates mounted on top of bone anchor heads or shoulders

Abstract

The invention relates to an intervertebral stabilisation device for connecting two pedicular screws extending into two adjacent vertebrae, that comprises two rigid members (10, 20) to be hinged relative to the two pedicular screws, a dampening member (30) connected to the rigid members so as to be attached to the latter both in compression and extension, and at least one wall (40) axially extending from a first rigid member (10) in the vicinity of the periphery of the dampening member (30) and in the direction of the other rigid member (20) in order to form both an abutment in compression as well as centring means for preventing any axis deviation of the two rigid members.
PCT/FR2008/051499 2007-08-14 2008-08-14 Intervertebral stabilisation assembly for arthrodesis including a damping member WO2009024730A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0705849A FR2919992B1 (en) 2007-08-14 2007-08-14 INTERVERTEBRAL STABILIZATION DEVICE COMPRISING A DAMPING ELEMENT
FR0705849 2007-08-14

Publications (2)

Publication Number Publication Date
WO2009024730A2 WO2009024730A2 (en) 2009-02-26
WO2009024730A3 true WO2009024730A3 (en) 2009-04-16

Family

ID=39149246

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2008/051499 WO2009024730A2 (en) 2007-08-14 2008-08-14 Intervertebral stabilisation assembly for arthrodesis including a damping member

Country Status (2)

Country Link
FR (1) FR2919992B1 (en)
WO (1) WO2009024730A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814936A1 (en) * 2000-10-11 2002-04-12 Frederic Fortin Supple one-piece vertebral connector has central core with elastic fibres, fixings and polymerised resin covering
WO2003007828A1 (en) * 2001-07-18 2003-01-30 Frederic Fortin Flexible vertebral linking device
US20050277922A1 (en) * 2004-06-09 2005-12-15 Trieu Hai H Systems and methods for flexible spinal stabilization
WO2008003047A2 (en) * 2006-06-28 2008-01-03 Synthes (U.S.A.) Dynamic fixation system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2814936A1 (en) * 2000-10-11 2002-04-12 Frederic Fortin Supple one-piece vertebral connector has central core with elastic fibres, fixings and polymerised resin covering
WO2003007828A1 (en) * 2001-07-18 2003-01-30 Frederic Fortin Flexible vertebral linking device
US20050277922A1 (en) * 2004-06-09 2005-12-15 Trieu Hai H Systems and methods for flexible spinal stabilization
WO2008003047A2 (en) * 2006-06-28 2008-01-03 Synthes (U.S.A.) Dynamic fixation system

Also Published As

Publication number Publication date
FR2919992B1 (en) 2010-06-25
FR2919992A1 (en) 2009-02-20
WO2009024730A2 (en) 2009-02-26

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