ES2085673T3 - Elemento de fijacion de osteosintesis. - Google Patents

Elemento de fijacion de osteosintesis.

Info

Publication number
ES2085673T3
ES2085673T3 ES93106520T ES93106520T ES2085673T3 ES 2085673 T3 ES2085673 T3 ES 2085673T3 ES 93106520 T ES93106520 T ES 93106520T ES 93106520 T ES93106520 T ES 93106520T ES 2085673 T3 ES2085673 T3 ES 2085673T3
Authority
ES
Spain
Prior art keywords
fixing
longitudinal
support
thread
wings
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
ES93106520T
Other languages
English (en)
Inventor
Johannes Fridolin Dr Schlapfer
Markus Fluckiger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AO Technology AG
Original Assignee
Synthes AG Chur
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 Synthes AG Chur filed Critical Synthes AG Chur
Application granted granted Critical
Publication of ES2085673T3 publication Critical patent/ES2085673T3/es
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
    • A61B17/704—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
    • A61B17/701—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
    • A61B17/7032—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
    • A61B17/60—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 for external osteosynthesis, e.g. distractors, contractors
    • A61B2017/603—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 for external osteosynthesis, e.g. distractors, contractors with three points of contact, e.g. tripod

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Prostheses (AREA)

Abstract

EL ELEMENTO DE FIJACION OSTEOSINTETICO, CON PREFERENCIA CON FORMA DE TORNILLO PEDICULADO O DE GANCHO PARA COLUMNA VERTEBRAL, SE COMPONE ESENCIALMENTE DE UN ELEMENTO 2 INFERIOR ANCLABLE EN EL HUESO Y DE UN ELEMENTO 3 SUPERIOR SITUADO A CONTINUACION EN EL SENTIDO DEL EJE 1 LONGITUDINAL DEL ELEMENTO DE FIJACION. EL ELEMENTO 3 SUPERIOR POSEE UN CANAL 4 PASANTE ABIERTO HACIA ARRIBA Y TRANSVERSAL AL EJE 1 LONGITUDINAL CON EL QUE SE OBTIENE UN ALOJAMIENTO CON FORMA DE U CON DOS ALAS 26 LATERALES ENFRENTADAS Y CON UN FONDO 18 EN EL QUE SE PUEDE INTRODUCIR EL SOPORTE 5 LONGITUDINAL. EL ELEMENTO 3 SUPERIOR POSEE, ADEMAS, UN ORIFICIO 6 CIEGO CILINDRICO CIRCULAR, IGUALMENTE ABIERTO HACIA ARRIBA, SITUADO EN EL SENTIDO DEL EJE 1 LONGITUDINAL. EN EL INTERIOR DEL ORIFICIO 6 CIEGO, ES DECIR EN EL LADO INTERIOR DE LAS DOS ALAS 26 SE PREVE UNA ROSCA 11 INTERIOR. PARA EL CIERRE DEL ORIFICIO 6 CIEGO Y PARA LA FIJACION DEL SOPORTE 5 LONGITUDINAL ENTRE LAS DOS ALAS 26 SE PREVE UN ELEMENTO 7 DE FIJACION CILINDRICOCIRCULAR CON UNA ROSCA 12 EXTERIOR CORRESPONDIENTE A LA ROSCA 11 INTERIOR. EL ELEMENTO 7 DE FIJACION POSEE EN SU EXTREMO 8 INFERIOR, PREVISTO PARA EL APOYO EN EL SOPORTE 5 LONGITUDINAL, UNA CAVIDAD 9 CON FORMA DE CASQUETE ESFERICO EN LA QUE SE AJUSTA UNA BOLA 10, QUE SOBRESALE PARCIALMENTE DE LA CAVIDAD 9.
ES93106520T 1992-06-04 1993-04-22 Elemento de fijacion de osteosintesis. Expired - Lifetime ES2085673T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH179992 1992-06-04

Publications (1)

Publication Number Publication Date
ES2085673T3 true ES2085673T3 (es) 1996-06-01

Family

ID=4218877

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93106520T Expired - Lifetime ES2085673T3 (es) 1992-06-04 1993-04-22 Elemento de fijacion de osteosintesis.

Country Status (6)

Country Link
US (1) US5520689A (es)
EP (1) EP0572790B1 (es)
JP (1) JP2561611B2 (es)
CA (1) CA2097623C (es)
DE (1) DE59301618D1 (es)
ES (1) ES2085673T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002002024A1 (es) * 1999-06-30 2002-01-10 Surgival Co., S.A. Sistema poliaxial de fijación de vértebras

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EP0572790B1 (de) 1996-02-14
US5520689A (en) 1996-05-28
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DE59301618D1 (de) 1996-03-28
JP2561611B2 (ja) 1996-12-11
JPH0630950A (ja) 1994-02-08
CA2097623C (en) 2002-11-12

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