WO1994014384A3 - System zur osteosynthese an der wirbelsäule, verbindungselement für ein solches system und werkzeug zu dessen montage und/oder demontage - Google Patents

System zur osteosynthese an der wirbelsäule, verbindungselement für ein solches system und werkzeug zu dessen montage und/oder demontage Download PDF

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Publication number
WO1994014384A3
WO1994014384A3 PCT/EP1993/003669 EP9303669W WO9414384A3 WO 1994014384 A3 WO1994014384 A3 WO 1994014384A3 EP 9303669 W EP9303669 W EP 9303669W WO 9414384 A3 WO9414384 A3 WO 9414384A3
Authority
WO
WIPO (PCT)
Prior art keywords
connecting rod
receiving area
spinal column
floor
osteosynthesis
Prior art date
Application number
PCT/EP1993/003669
Other languages
English (en)
French (fr)
Other versions
WO1994014384A2 (de
Inventor
Peter Griss
Original Assignee
Plus Endoprothetik Ag
Peter Griss
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 Plus Endoprothetik Ag, Peter Griss filed Critical Plus Endoprothetik Ag
Priority to US08/284,645 priority Critical patent/US5536268A/en
Priority to EP94904179A priority patent/EP0626828B1/de
Priority to JP51482794A priority patent/JP3568202B2/ja
Priority to DE59305780T priority patent/DE59305780D1/de
Publication of WO1994014384A2 publication Critical patent/WO1994014384A2/de
Publication of WO1994014384A3 publication Critical patent/WO1994014384A3/de
Priority to NO943499A priority patent/NO943499L/no
Priority to FI944708A priority patent/FI944708A/fi

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
    • A61B17/704—Screws or hooks, wherein a rod-clamping part and a bone-anchoring part can pivot relative to each other the longitudinal element passing through a ball-joint in the screw head
    • 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
    • A61B17/7023—Longitudinal elements having flexible parts, or parts connected together, such that after implantation the elements can move relative to each other with a pivot 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
    • A61B17/7025—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
    • A61B17/7032—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
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length

Abstract

Die vorliegende Erfindung betrifft ein System zur Osteosynthese an der Wirbelsäule, insbesondere zur Stabilisierung von Wirbelsäulensegmenten, bestehend aus mindestens einem stabartigen Verbindungselement (14), mindestens zwei, jeweils an einem Wirbelsäulensegment verankerbaren Haltemitteln (12) mit einem stimmgabelartigen Kopf (15), dessen beide Schenkel (16, 17) einen etwa U-förmigen Aufnahmeraum (18) für das Verbindungselement (14) begrenzen, einer Klemmschraube (19), die zur Festlegung des Verbindungselements (14) zwischen den beiden Schenkeln (16, 17) des stimmgabelartigen Schraubenkopfes (15) in den Aufnahmeraum (18) hineinschraubbar ist, wobei der Boden (22) des Aufnahmeraums (18) konkav ausgebildet ist in Zuordnung zu einem zwischen dem Boden (22) des Aufnahmeraums (18) und dem Verbindungselement (14) angeordneten Schwenklagerelement (23), dessen dem Boden (22) des Aufnahmeraums (18) zugewandte Lagerfläche (24) komplementär konvex ausgebildet ist. Die dem Boden (22) des Aufnahmeraums (18) zugewandte Lagerfläche (24) des Schwenklagerelements (23) ist schalenförming, insbesondere hemisphärisch ausgebildet. Die gegenüberliegende, im montierten Zustand der Klemmschraube (19) zugewandte Seite (25) weist zudem eine Nut (26) zur Aufnahme des stabartigen Verbindungselements (14) auf.
PCT/EP1993/003669 1992-12-23 1993-12-22 System zur osteosynthese an der wirbelsäule, verbindungselement für ein solches system und werkzeug zu dessen montage und/oder demontage WO1994014384A2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US08/284,645 US5536268A (en) 1992-12-23 1993-12-22 System for osteosynthesis at the vertebral column, connecting element for such a system and tool for its placement and removal
EP94904179A EP0626828B1 (de) 1992-12-23 1993-12-22 System zur osteosynthese an der wirbelsäule, verbindungselement für ein solches system und werkzeug zu dessen montage und/oder demontage
JP51482794A JP3568202B2 (ja) 1992-12-23 1993-12-22 脊椎における骨合成用システム、同システム用接続要素、およびその取り付け、取り外し用器具
DE59305780T DE59305780D1 (de) 1992-12-23 1993-12-22 System zur osteosynthese an der wirbelsäule, verbindungselement für ein solches system und werkzeug zu dessen montage und/oder demontage
NO943499A NO943499L (no) 1993-12-22 1994-09-20 System til osteosyntese i virvelsöylen, forbindelseselementer for et slikt system og verktöy for deres montering og/eller demontering
FI944708A FI944708A (fi) 1992-12-23 1994-10-07 Järjestelmä selkärangan luuosien yhdistämiseksi, tällaisen järjestelmän liitoselementti ja työkalu sen asentamiseksi ja/tai purkamiseksi

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4243951A DE4243951C2 (de) 1992-12-23 1992-12-23 Vorrichtung zur Versteifung eines aus wenigstens zwei Wirbeln bestehenden Wirbelsäulenabschnitts
DEP4243951.5 1992-12-23

Publications (2)

Publication Number Publication Date
WO1994014384A2 WO1994014384A2 (de) 1994-07-07
WO1994014384A3 true WO1994014384A3 (de) 1994-08-18

Family

ID=6476454

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1993/003669 WO1994014384A2 (de) 1992-12-23 1993-12-22 System zur osteosynthese an der wirbelsäule, verbindungselement für ein solches system und werkzeug zu dessen montage und/oder demontage

Country Status (7)

Country Link
US (1) US5536268A (de)
EP (1) EP0626828B1 (de)
JP (1) JP3568202B2 (de)
AT (1) ATE149814T1 (de)
DE (2) DE4243951C2 (de)
FI (1) FI944708A (de)
WO (1) WO1994014384A2 (de)

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US8632572B2 (en) 2007-04-19 2014-01-21 Zimmer Spine, Inc. Method and associated instrumentation for installation of spinal dynamic stabilization system
US9277940B2 (en) 2008-02-05 2016-03-08 Zimmer Spine, Inc. System and method for insertion of flexible spinal stabilization element

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ATE149814T1 (de) 1997-03-15
WO1994014384A2 (de) 1994-07-07
DE4243951C2 (de) 1997-07-03
EP0626828B1 (de) 1997-03-12
EP0626828A1 (de) 1994-12-07
JPH07503886A (ja) 1995-04-27
DE59305780D1 (de) 1997-04-17
JP3568202B2 (ja) 2004-09-22
FI944708A0 (fi) 1994-10-07
FI944708A (fi) 1995-06-23
US5536268A (en) 1996-07-16
DE4243951A1 (de) 1994-07-07

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