BR9917579A - Dispositivo para a estabilidade de dois corpos vertebrais adjacentes da espinha - Google Patents

Dispositivo para a estabilidade de dois corpos vertebrais adjacentes da espinha

Info

Publication number
BR9917579A
BR9917579A BR9917579-7A BR9917579A BR9917579A BR 9917579 A BR9917579 A BR 9917579A BR 9917579 A BR9917579 A BR 9917579A BR 9917579 A BR9917579 A BR 9917579A
Authority
BR
Brazil
Prior art keywords
pedicle screws
fulcrum
vertebral bodies
portions
load
Prior art date
Application number
BR9917579-7A
Other languages
English (en)
Other versions
BR9917579B1 (pt
Inventor
Robert C Mulholland
Dilip K Sengupta
Original Assignee
Synthes Ag
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 filed Critical Synthes Ag
Publication of BR9917579A publication Critical patent/BR9917579A/pt
Publication of BR9917579B1 publication Critical patent/BR9917579B1/pt

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
    • A61B17/7031—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
    • 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
    • A61B17/7002—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
    • A61B17/7022—Tethers, i.e. longitudinal elements capable of transmitting tension only, e.g. straps, sutures or cables

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Neurology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
  • Vending Machines For Individual Products (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Floor Finish (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

"DISPOSITIVO PARA A ESTABILIZAçãO DE DOIS CORPOS VERTEBRAIS ADJACENTES DA ESPINHA". O dispositivo é usado para a estabilização de dois corpos vertebrais (10) adjacentes da espinha. Ela compreende dois parafusos de pedículo (1), tendo uma haste rosqueada (2) com uma primeira extremidade adelgaçada (3) para a introdução nos corpos vertebrais (10) e uma porção de cabeça (4) com uma segunda extremidade (5). Ela também compreende um fulcro longitudinal flexível (6) com duas porções (8), o qual pode ser disposto transversalmente aos ditos parafusos de pedículo (1), e fixado com suas porções terminais (8) às porções de cabeça (4) dos ditos dois parafusos de pedículo (1) a uma distância x desde a dita segunda extremidade. O dispositivo também compreende um ligamento elástico (7) que pode ser disposto transversalmente aos ditos dois parafusos de pedículo (1) e fixados às porções de cabeça (4) dos ditos dois parafusos de pedículo (1) a uma distância y < x desde a porção terminal do fulcro (8). Por meio da introdução de um fulcro, situando-se próximo ao eixo geométrico de flexão e extensão do segmento de movimento espinhal, o ligamento posteriormente colocado alivia de tração todo o disco, e o fulcro propriamente dito se torna uma estrutura que suporta carga. Isto reduz a carga sobre o disco, e produz uma distribuição uniforme de carga através de toda placa terminal na faixa de movimento do segmento de movimento, que é permitido pelo implante.
BRPI9917579-7A 1999-12-20 1999-12-20 dispositivo para a estabilidade de dois corpos vertebrais adjacentes da espinha. BR9917579B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH1999/000612 WO2001045576A1 (en) 1999-12-20 1999-12-20 Device for the stabilisation of two adjacent verterbral bodies of the spine

Publications (2)

Publication Number Publication Date
BR9917579A true BR9917579A (pt) 2002-08-06
BR9917579B1 BR9917579B1 (pt) 2008-11-18

Family

ID=4551754

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9917579-7A BR9917579B1 (pt) 1999-12-20 1999-12-20 dispositivo para a estabilidade de dois corpos vertebrais adjacentes da espinha.

Country Status (14)

Country Link
EP (1) EP1239785B1 (pt)
JP (1) JP4202020B2 (pt)
AT (1) ATE274853T1 (pt)
AU (1) AU767854B2 (pt)
BR (1) BR9917579B1 (pt)
CA (1) CA2394817A1 (pt)
DE (1) DE69919912T2 (pt)
DK (1) DK1239785T3 (pt)
ES (1) ES2224719T3 (pt)
HK (1) HK1048747B (pt)
MX (1) MXPA02004117A (pt)
NZ (1) NZ518316A (pt)
PT (1) PT1239785E (pt)
WO (1) WO2001045576A1 (pt)

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Also Published As

Publication number Publication date
DE69919912D1 (de) 2004-10-07
WO2001045576A1 (en) 2001-06-28
EP1239785B1 (en) 2004-09-01
ES2224719T3 (es) 2005-03-01
JP4202020B2 (ja) 2008-12-24
ATE274853T1 (de) 2004-09-15
MXPA02004117A (es) 2002-10-17
HK1048747A1 (en) 2003-04-17
CA2394817A1 (en) 2001-06-28
HK1048747B (zh) 2004-12-31
AU1545100A (en) 2001-07-03
DK1239785T3 (da) 2004-11-29
NZ518316A (en) 2003-05-30
AU767854B2 (en) 2003-11-27
DE69919912T2 (de) 2005-09-15
BR9917579B1 (pt) 2008-11-18
EP1239785A1 (en) 2002-09-18
PT1239785E (pt) 2005-01-31
JP2003517871A (ja) 2003-06-03

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