ES2531645T3 - Tornillo pedicular poliaxial y kit de sistema de fijación que comprende dicho tornillo - Google Patents

Tornillo pedicular poliaxial y kit de sistema de fijación que comprende dicho tornillo Download PDF

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Publication number
ES2531645T3
ES2531645T3 ES11159254.9T ES11159254T ES2531645T3 ES 2531645 T3 ES2531645 T3 ES 2531645T3 ES 11159254 T ES11159254 T ES 11159254T ES 2531645 T3 ES2531645 T3 ES 2531645T3
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ES
Spain
Prior art keywords
receiving head
lateral
opening
blocking
insert
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.)
Active
Application number
ES11159254.9T
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English (en)
Inventor
Francesco Siccardi
Meinrad Fiechter
Joshua Auerbach
Zsolt Fekete
Christoph E. Heyde
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Medacta International SA
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Medacta International SA
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Application filed by Medacta International SA filed Critical Medacta International SA
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Publication of ES2531645T3 publication Critical patent/ES2531645T3/es
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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, e.g. 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
    • 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 or setting implements
    • 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, e.g. 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
    • 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 or setting implements
    • 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, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 or setting implements
    • 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, e.g. stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7076—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation
    • A61B17/7082—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling for driving, positioning or assembling spinal clamps or bone anchors specially adapted for spinal fixation for driving, i.e. rotating, screws or screw parts specially adapted for spinal fixation, e.g. for driving polyaxial or tulip-headed screws

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Neurology (AREA)
  • Life Sciences & Earth Sciences (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)

Abstract

1. Tornillo pedicular poliaxial (1), que comprende: un cabezal de recepción (2) que se extiende longitudinalmente desde una abertura proximal (20) hasta una abertura distal (21), comprendiendo dicho cabezal de recepción (2) un paso en forma de U transversal (22), que abre en la periferia de dicha abertura distal (21); un vástago (3) que atraviesa dicha abertura proximal (20), que tiene una porción roscada (30) externa al cabezal de recepción (2) y un extremo de abultamiento (31) alojado de forma que pueda girar dentro de dicho cabezal de recepción (2); un inserto de bloqueo (4) alojado dentro de dicho cabezal de recepción (2) y acoplable con dicho extremo de abultamiento (31), siendo dicho inserto de bloqueo (4) móvil en una posición de bloqueo en la que bloquea el extremo de abultamiento (31) con respecto al cabezal de recepción (2); medio de fijación (5) acoplado en la abertura distal (21) para el bloqueo de una varilla de conexión (200) recibida dentro de dicho paso en forma de U transversal (22), en el que dicho cabezal de recepción (2) presenta al menos una abertura lateral (42), exponiendo dicha abertura lateral (42) una superficie de contacto (41) de dicho inserto de bloqueo (4) a los medios de presión externos que actúan sobre dicha superficie de contacto (41) con el fin de mantener el inserto de bloqueo (4) en su posición de bloqueo y en el que hay dos aberturas laterales (42) definidas por un taladro pasante que atraviesa diametralmente el cabezal de recepción (2); estando dicho inserto de bloqueo (4) alojado dentro de dicho taladro pasante; el inserto de bloqueo (4) presenta una forma alargada con dos brazos laterales (44) que se extienden a través de las aberturas laterales (42), definiendo un lado distal de dichos brazos laterales (44) la superficie de contacto (41); caracterizado por que el cabezal de recepción (2) comprende al menos una ranura longitudinal lateral (26) que abre en dicho taladro pasante, definiendo dicha al menos una ranura longitudinal lateral (26) trayectorias longitudinales para los medios de presión externos.

Description

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Claims (1)

  1. imagen1
ES11159254.9T 2011-03-22 2011-03-22 Tornillo pedicular poliaxial y kit de sistema de fijación que comprende dicho tornillo Active ES2531645T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11159254.9A EP2502594B1 (en) 2011-03-22 2011-03-22 Polyaxial pedicle screw and fixation system kit comprising said screw

Publications (1)

Publication Number Publication Date
ES2531645T3 true ES2531645T3 (es) 2015-03-18

Family

ID=44351356

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11159254.9T Active ES2531645T3 (es) 2011-03-22 2011-03-22 Tornillo pedicular poliaxial y kit de sistema de fijación que comprende dicho tornillo

Country Status (6)

Country Link
US (1) US9155567B2 (es)
EP (1) EP2502594B1 (es)
JP (1) JP5912056B2 (es)
CN (1) CN102697546B (es)
AU (1) AU2012201463B2 (es)
ES (1) ES2531645T3 (es)

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WO2010147639A1 (en) 2008-08-01 2010-12-23 Jackson Roger P Longitudinal connecting member with sleeved tensioned cords
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US11229457B2 (en) 2009-06-15 2022-01-25 Roger P. Jackson Pivotal bone anchor assembly with insert tool deployment
WO2013043218A1 (en) 2009-06-15 2013-03-28 Jackson Roger P Polyaxial bone anchor with pop-on shank and winged insert with friction fit compressive collet
US20240341816A1 (en) * 2009-10-05 2024-10-17 Roger P. Jackson Pivotal bone anchor assembly with temporary positional locking by tooling
US12383311B2 (en) 2010-05-14 2025-08-12 Roger P. Jackson Pivotal bone anchor assembly and method for use thereof
EP2670321B1 (de) * 2011-02-04 2017-05-10 Spinesave AG Vorkehrung gegen verkanten an offenen knochenschrauben
WO2012128825A1 (en) 2011-03-24 2012-09-27 Jackson Roger P Polyaxial bone anchor with compound articulation and pop-on shank
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Also Published As

Publication number Publication date
JP5912056B2 (ja) 2016-04-27
CN102697546B (zh) 2016-06-29
EP2502594A1 (en) 2012-09-26
AU2012201463A1 (en) 2012-10-11
JP2012196453A (ja) 2012-10-18
US20120245640A1 (en) 2012-09-27
CN102697546A (zh) 2012-10-03
AU2012201463B2 (en) 2015-01-22
US9155567B2 (en) 2015-10-13
EP2502594B1 (en) 2014-12-03

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