DE59009029C5 - Aufnahmeteil für eine pedikelschraube und pedikelschraube. - Google Patents

Aufnahmeteil für eine pedikelschraube und pedikelschraube. Download PDF

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Publication number
DE59009029C5
DE59009029C5 DE59009029T DE59009029T DE59009029C5 DE 59009029 C5 DE59009029 C5 DE 59009029C5 DE 59009029 T DE59009029 T DE 59009029T DE 59009029 T DE59009029 T DE 59009029T DE 59009029 C5 DE59009029 C5 DE 59009029C5
Authority
DE
Germany
Prior art keywords
screw
head
receiving part
pedicle screw
shaped
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE59009029T
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English (en)
Other versions
DE59009029D1 (de
Inventor
Lutz Biedermann
Juergen Harms
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Individual
Original Assignee
Individual
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6385442&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59009029(C5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to DE59009029T priority Critical patent/DE59009029C5/de
Application granted granted Critical
Publication of DE59009029D1 publication Critical patent/DE59009029D1/de
Publication of DE59009029C5 publication Critical patent/DE59009029C5/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61B17/7037—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
    • A61B17/7001—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
    • A61B17/7008—Longitudinal elements, e.g. rods with a cross-section which varies along its length with parts of, or attached to, the longitudinal elements, bearing against an outside of the screw or hook heads, e.g. nuts on threaded rods
    • 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
    • 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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor

Abstract

Pedikelschraube (2) mit einem Aufnahmeteil (5) zum gelenkigen Verbinden der einen Gewindeschaftteil (3) und einen kugelförmigen bzw. kugelsegmentförmigen Kopf (4) aufweisenden Schraube (2) mit einer Stange (16), wobei eine Vorrichtung zur Sicherung der Schraube (2) gegen Verdrehen vorgesehen ist und wobei das Aufnahmeteil (5) einen Aufnahmeraum (7) aufweist, der an seinem einen Ende eine Bohrung (8) zum Hindurchführen des Gewindeschaftteiles (3) einer Schraube (2) mit gewünschtem Schaftdurchmesser und gewünschter Schaftlänge und angrenzend an diesen einen hohlkugelsegmentförmigen Abschnitt (9) zum Anliegen des Kopfes (4) der aufzunehmenden und in den jeweiligen Wirbelkörper einzuschraubenden Schraube (2) besitzt und angrenzend an diesen einen hohlzylindrischen Abschnitt (11) besitzt, dadurch gekennzeichnet, dass das Aufnahmeteil (5) einstückig ausgebildet ist und auf der der Bohrung (8) gegenüberliegenden Seite eine Öffnung (10) zum Einführen der Schraube (2) aufweist, und dass ein Druckelement (18) vorgesehen ist, welches auf seinem dem Kopf (4) zugewandten Ende einen zu dem Kopf (4) hin...

Description

  • Das europäische Patent 0 483 242 wird mit Wirkung für das Hoheitsgebiet der Bundesrepublik Deutschland dadurch teilweise für nichtig erklärt, dass an die Stelle der erteilten Ansprüche 1, 3 bis 5 die Ansprüche 1, 3 und 4 in folgender Fassung treten:

Claims (5)

  1. Pedikelschraube (2) mit einem Aufnahmeteil (5) zum gelenkigen Verbinden der einen Gewindeschaftteil (3) und einen kugelförmigen bzw. kugelsegmentförmigen Kopf (4) aufweisenden Schraube (2) mit einer Stange (16), wobei eine Vorrichtung zur Sicherung der Schraube (2) gegen Verdrehen vorgesehen ist und wobei das Aufnahmeteil (5) einen Aufnahmeraum (7) aufweist, der an seinem einen Ende eine Bohrung (8) zum Hindurchführen des Gewindeschaftteiles (3) einer Schraube (2) mit gewünschtem Schaftdurchmesser und gewünschter Schaftlänge und angrenzend an diesen einen hohlkugelsegmentförmigen Abschnitt (9) zum Anliegen des Kopfes (4) der aufzunehmenden und in den jeweiligen Wirbelkörper einzuschraubenden Schraube (2) besitzt und angrenzend an diesen einen hohlzylindrischen Abschnitt (11) besitzt, dadurch gekennzeichnet, dass das Aufnahmeteil (5) einstückig ausgebildet ist und auf der der Bohrung (8) gegenüberliegenden Seite eine Öffnung (10) zum Einführen der Schraube (2) aufweist, und dass ein Druckelement (18) vorgesehen ist, welches auf seinem dem Kopf (4) zugewandten Ende einen zu dem Kopf (4) hin gerichteten hohlkugelsegmentförmigen Abschnitt (19) aufweist und welches durch die Öffnung (10) einführbar ist und in zusammengesetztem Zustand nach dem Einstellen der Winkelposition zwischen Schraube (2) und Aufnahmeteil (5) eine Kraft so auf den Kopf (4) ausübt, dass dieser gegen den hohlkugelsegmentförmigen Abschnitt (9) gedrückt wird und so eine feste Arretierung der Winkelposition erreicht wird.
  2. Nichtig
  3. Pedikelschraube nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Radien der hohlkugelsegmentförmigen Abschnitte (9, 19) im wesentlichen gleich sind.
  4. Pedikelschraube nach Anspruch 1, dadurch gekennzeichnet, dass das Druckelement (18) einen zylinderförmigen Abschnitt aufweist, dessen Außendurchmesser im wesentlichen gleich dem Innendurchmesser des Aufnahmeraums (7) ist.
  5. Nichtig
DE59009029T 1989-07-20 1990-07-19 Aufnahmeteil für eine pedikelschraube und pedikelschraube. Expired - Lifetime DE59009029C5 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE59009029T DE59009029C5 (de) 1989-07-20 1990-07-19 Aufnahmeteil für eine pedikelschraube und pedikelschraube.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3923996A DE3923996A1 (de) 1989-07-20 1989-07-20 Aufnahmeteil zum gelenkigen verbinden mit einer schraube zum bilden einer pedikelschraube
DE3923996 1989-07-20
PCT/EP1990/001184 WO1991001115A1 (de) 1989-07-20 1990-07-19 Aufnahmeteil für eine pedikelschraube und pedikelschraube
DE59009029T DE59009029C5 (de) 1989-07-20 1990-07-19 Aufnahmeteil für eine pedikelschraube und pedikelschraube.

Publications (2)

Publication Number Publication Date
DE59009029D1 DE59009029D1 (de) 1995-06-08
DE59009029C5 true DE59009029C5 (de) 2009-05-28

Family

ID=6385442

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3923996A Granted DE3923996A1 (de) 1989-07-20 1989-07-20 Aufnahmeteil zum gelenkigen verbinden mit einer schraube zum bilden einer pedikelschraube
DE59009029T Expired - Lifetime DE59009029C5 (de) 1989-07-20 1990-07-19 Aufnahmeteil für eine pedikelschraube und pedikelschraube.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3923996A Granted DE3923996A1 (de) 1989-07-20 1989-07-20 Aufnahmeteil zum gelenkigen verbinden mit einer schraube zum bilden einer pedikelschraube

Country Status (9)

Country Link
US (1) US5207678A (de)
EP (1) EP0483242B1 (de)
JP (1) JPH04506759A (de)
AT (1) ATE121921T1 (de)
CA (1) CA2064222A1 (de)
DE (2) DE3923996A1 (de)
DK (1) DK0483242T3 (de)
ES (1) ES2074578T3 (de)
WO (1) WO1991001115A1 (de)

Families Citing this family (428)

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DE3923996C2 (de) 1993-08-26
EP0483242B1 (de) 1995-05-03
ATE121921T1 (de) 1995-05-15
DK0483242T3 (da) 1995-07-17
EP0483242A1 (de) 1992-05-06
JPH04506759A (ja) 1992-11-26
US5207678A (en) 1993-05-04
CA2064222A1 (en) 1991-01-21
DE3923996A1 (de) 1991-01-31
WO1991001115A1 (de) 1991-02-07
DE59009029D1 (de) 1995-06-08
ES2074578T3 (es) 1995-09-16

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