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ES2552987T3 - Dispositivo de anclaje de hueso poliaxial - Google Patents

Dispositivo de anclaje de hueso poliaxial Download PDF

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Publication number
ES2552987T3
ES2552987T3 ES12174846.1T ES12174846T ES2552987T3 ES 2552987 T3 ES2552987 T3 ES 2552987T3 ES 12174846 T ES12174846 T ES 12174846T ES 2552987 T3 ES2552987 T3 ES 2552987T3
Authority
ES
Spain
Prior art keywords
head
bone anchoring
rod
receiving part
anchoring device
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
ES12174846.1T
Other languages
English (en)
Inventor
Lutz Biedermann
Wilfried Matthis
Timo Biedermann
Berthold Dannecker
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.)
Biedermann Technologies GmbH and Co KG
Original Assignee
Biedermann Technologies GmbH and Co KG
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 Biedermann Technologies GmbH and Co KG filed Critical Biedermann Technologies GmbH and Co KG
Application granted granted Critical
Publication of ES2552987T3 publication Critical patent/ES2552987T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/844—Fasteners therefor or fasteners being internal fixation devices with expandable anchors or anchors having movable parts
    • 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
    • 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
    • A61B17/7001—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
    • 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
    • A61B17/84—Fasteners therefor or fasteners being internal fixation devices
    • A61B17/86—Pins or screws or threaded wires; nuts therefor

Landscapes

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

Dispositivo de anclaje de hueso poliaxial, que incluye un elemento de anclaje (1) que tiene un vástago (2) para anclarlo en el hueso y una cabeza (3), una pieza receptora (5, 5') para recibir y alojar la cabeza del elemento de anclaje de hueso y para recibir una varilla (100), incluyendo la pieza receptora un elemento superior (8, 8') con un extremo superior (81) y un extremo inferior (82), un eje central (C) que se extiende a través del extremo superior y del extremo inferior, una parte receptora de cabeza (84) con un paso (85) en el extremo inferior (82) para introducir la cabeza y un canal (86) para recibir la varilla en el extremo superior (81); un elemento inferior (10, 10') que tiene un extremo superior (101) y un extremo inferior (102) y un paso (103, 104) que se extiende desde el extremo superior hasta el extremo inferior, pudiendo conectarse el elemento inferior con el elemento superior desde el extremo inferior (82) del elemento superior; estando previsto al menos un elemento de inmovilización (20, 200) en el extremo inferior (82) del elemento superior o cerca del mismo, caracterizado porque al menos un elemento de inmovilización (20, 200) sobresale dentro del paso (85) de la parte receptora de cabeza (84) del elemento superior (8, 8') cuando el elemento inferior está conectado con el elemento superior para sujetar la cabeza (3) cuando ésta es insertada en la parte receptora de cabeza (84).

Description

imagen1
imagen2
imagen3
imagen4
imagen5
imagen6
imagen7
En lugar de las bolas o el anillo de inmovilización también se pueden concebir otros dispositivos de inmovilización, como por ejemplo elementos de muelle que se puedan comprimir mientras se introduce la cabeza y que, cuando la cabeza los ha pasado, se pueden expandir y sujetar la cabeza en su lugar.
5 El contorno exterior del elemento superior y el elemento inferior no está limitado al contorno exterior mostrado en las realizaciones. Además, en lugar de la conexión roscada entre el elemento superior y el elemento inferior, también es posible una conexión por ajuste a presión o cualquier otra conexión que permita fijar el elemento inferior al elemento superior. La pieza receptora también puede tener un diseño que permita girar el elemento de anclaje de hueso en un mayor ángulo hacia un lado que hacia el otro lado.
10 El elemento de bloqueo no está limitado al tornillo interior mostrado en las realizaciones. También se puede concebir cualquier tipo de elemento de bloqueo o combinación de elementos de bloqueo, como un elemento de bloqueo en dos piezas. Además, el elemento de presión no se limita a la forma específica mostrada en las realizaciones. Por ejemplo, en lugar de un entrante cilíndrico, el elemento de presión puede tener un entrante
15 en forma de U que proporcione un canal para la varilla con brazos que se extienden por encima de la varilla, de modo que se puede utilizar un dispositivo de bloqueo correspondiente que permita fijar independientemente la cabeza y la varilla.
El elemento de anclaje de hueso puede ser cualquier elemento de anclaje de hueso adecuado, como un
20 tornillo para hueso, un clavo para hueso, un anclaje de hueso con barbas, un elemento de anclaje de hueso canulado, etc.
9

Claims (1)

  1. imagen1
    imagen2
ES12174846.1T 2012-07-03 2012-07-03 Dispositivo de anclaje de hueso poliaxial Active ES2552987T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12174846.1A EP2682062B1 (en) 2012-07-03 2012-07-03 Polyaxial bone anchoring device

Publications (1)

Publication Number Publication Date
ES2552987T3 true ES2552987T3 (es) 2015-12-03

Family

ID=46458284

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12174846.1T Active ES2552987T3 (es) 2012-07-03 2012-07-03 Dispositivo de anclaje de hueso poliaxial

Country Status (7)

Country Link
US (1) US9333016B2 (es)
EP (1) EP2682062B1 (es)
JP (1) JP2014012136A (es)
KR (1) KR20140004590A (es)
CN (1) CN103519877B (es)
ES (1) ES2552987T3 (es)
TW (1) TW201402063A (es)

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EP2851021B1 (en) 2013-09-19 2016-12-14 Biedermann Technologies GmbH & Co. KG Coupling assembly for coupling a rod to a bone anchoring element, polyaxial bone anchoring device and modular stabilization device
US20150134006A1 (en) * 2013-11-08 2015-05-14 Blackstone Medical, Inc. Lockable Pedicle Fastener
US10117679B2 (en) * 2015-03-02 2018-11-06 Globus Medical, Inc. Adjustable height pedicle screw
FR3035318B1 (fr) * 2015-04-24 2017-05-19 Medicrea Int Materiel d'osteosynthese vertebrale
US9707013B2 (en) * 2015-04-30 2017-07-18 Warsaw Orthopedic, Inc. Spinal implant system and methods of use
EP3318207B1 (en) 2015-07-24 2021-11-24 Biedermann Technologies GmbH & Co. KG Polyaxial bone anchoring device and instrument for use with the same
CN205514850U (zh) * 2015-12-31 2016-08-31 何静 一种两用椎弓根钉
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US10966762B2 (en) 2017-12-15 2021-04-06 Medos International Sarl Unilateral implant holders and related methods
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EP3536271B1 (en) * 2018-03-06 2022-05-04 Biedermann Technologies GmbH & Co. KG Polyaxial bone anchoring device and system of an instrument and a polyaxial bone anchoring device
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US12318121B2 (en) 2020-11-09 2025-06-03 Medos International Sàrl Biplanar forceps reducers and methods of use
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Also Published As

Publication number Publication date
US20140012337A1 (en) 2014-01-09
US9333016B2 (en) 2016-05-10
CN103519877B (zh) 2017-06-09
TW201402063A (zh) 2014-01-16
EP2682062B1 (en) 2015-09-16
CN103519877A (zh) 2014-01-22
JP2014012136A (ja) 2014-01-23
KR20140004590A (ko) 2014-01-13
EP2682062A1 (en) 2014-01-08

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