[특허]Pedicle screw for intervertebral support elements

[미국특허] Pedicle screw for intervertebral support elements 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/70
출원번호	US-0079357 (2011-04-04)
등록번호	US-8764802 (2014-07-01)
우선권정보	EP-00810845 (2000-09-18)
발명자 / 주소	Walder, Reto Braunschweiler, Reto
출원인 / 주소	Zimmer GmbH
대리인 / 주소	Seager, Tufte & Wickhem, LLC
인용정보	피인용 횟수 : 0 인용 특허 : 30

초록 ▼

A pedicle screw for intervertebral support elements consists of a shaft and a head comprising at least two parts. The head is formed as a securing means for at least one support element. Each support element consists of a piece of a cable-like band and a cylindrical support body with an axial lumen containing the band. The band is securable outside end surfaces of the support body in the head. The head is formed with a contact surface via which a pressure stress can be exerted on the support body in the band direction, and indeed using the band and in cooperation with a further pedicle screw. A part of the head, which is firmly connected to the shaft at the one end of the latter, contains a base groove which is oriented transversally to the shaft and into which the part of the band to be secured or a connecting piece which contains the band can be introduced during the securing of the support element by means of a translatory movement in the direction of the shaft and fixed there.

대표청구항 ▼

1. A dynamic stabilization system for a spinal column, the dynamic stabilization system comprising: a first vertebral fastener configured to be secured to a first vertebra, the first vertebral fastener including a head defining a channel;a second vertebral fastener configured to be secured to a second vertebra, the second vertebral fastener including a head defining a channel;a connector having a first end portion, a second end portion, and an intermediate portion extending between the first end portion and the second end portion, the intermediate portion of the connector positionable in the channel of the head of the first vertebral fastener with the first end portion disposed on a first side of the head of the first vertebral fastener and the second end portion disposed on a second side of the head of the first vertebral fastener opposite the first side of the first vertebral fastener;a support body including a first end, a second end and a lumen extending from the first end to the second end, the support body is positionable between the head of the first vertebral fastener and the head of the second vertebral fastener with the first end of the support body configured to contact the first end portion of the connector; anda flexible member extending from the connector and through the lumen of the support body;wherein the intermediate portion of the connector has a non-circular outer surface configured to orient the connector in a predetermined orientation relative to the head of the first vertebral fastener. 2. The dynamic stabilization system of claim 1, wherein the non-circular outer surface is configured to interact with the channel of the head of the first vertebral fastener to orient the connector in a predetermined orientation relative to the head of the first vertebral fastener. 3. The dynamic stabilization system of claim 1, wherein the non-circular outer surface includes a flat portion. 4. The dynamic stabilization system of claim 1, wherein the non-circular outer surface has a prismatic shape. 5. The dynamic stabilization system of claim 4, wherein the channel is correspondingly prismatic shaped. 6. The dynamic stabilization system of claim 1, wherein the flexible member extends into the connector and is secured thereto. 7. The dynamic stabilization system of claim 1, wherein the flexible member extends through the connector. 8. The dynamic stabilization system of claim 1, wherein the connector is securable to the head of the first vertebral fastener with one or more threaded screws. 9. The dynamic stabilization system of claim 8, wherein the one or more threaded screws engages an upper surface of the connector. 10. The dynamic stabilization system of claim 1, wherein the connector has a longitudinal axis and the connector is positionable in the channel of the first vertebral fastener by translation of the connector in a direction generally transverse to the longitudinal axis of the connector. 11. The dynamic stabilization system of claim 1, wherein the first vertebral fastener includes a threaded shaft portion having a longitudinal axis; and wherein the connector is positionable in the channel of the first vertebral fastener by translation of the connector in a direction generally parallel to the longitudinal axis of the threaded shaft portion of the first vertebral fastener. 12. The dynamic stabilization system of claim 1, further comprising a second connector positionable in the channel of the head of the second vertebral fastener to connect the flexible member to the second vertebral fastener. 13. The dynamic stabilization system of claim 12, wherein the support body is spaced from direct contact with both the head of the first vertebral fastener and the head of the second vertebral fastener. 14. The dynamic stabilization system of claim 13, wherein the flexible member extends into the second connector. 15. The dynamic stabilization system of claim 14, wherein the flexible member is not in direct contact with the head of the second vertebral fastener. 16. The dynamic stabilization system of claim 13, wherein the second connector is securable to the head of the second vertebral fastener with one or more threaded screws.

이 특허에 인용된 특허 (30) 인용/피인용 타임라인 분석

Grob Dieter (Zurich CHX), Apparatus for stiffening and/or correcting the vertebral column.
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Navas Fernand (Charbonnieres les Bains FRX), Application of an improved damper to an intervertebral stabilization device.
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Jackson Roger P., Closure for open ended medical implant and removal tool.
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Jackson Roger P., Closure system for open ended osteosynthesis apparatus.
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Graf Henry,FRX, Device for mechanically connecting and assisting vertebrae with respect to one another.
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Nichols David, Device for securing spinal rods.
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Schmotzer Hans,CHX, Device for stiffening and/or correcting a vertebral column or such like.
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Burton Charles V. (148 W. Lake St. Excelsior MN 55331), Flexible stabilization system for a vertebral column.
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Alby Albert,FRX, Intervertebral link device capable of axial and angular displacement.
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Navas Fernand (Charbonnieres Les Bains FRX), Intervertebral stabilization device incorporating dampers.
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Barker B. Thomas ; Young John Stewart ; Squires Craig ; Brumfield David ; Johnson Chris ; Buchanan Dennis J., Multi-axial bone screw assembly.
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Sherman Michael C. ; Drewry Troy, Multi-axial bone screw assembly.
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Doherty Brian J. (Atherton CA), Orthopedic fixation system.
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Schlpfer Johannes F. (Glarus CHX) Flckiger Markus (Waldenburg CHX), Osteosynthetic fastening device.
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Walder, Reto; Braunschweiler, Reto, Pedicle screw for intervertebral support elements.
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Walder, Reto; Braunschweiler, Reto, Pedicle screw for intervertebral support elements.
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Walder, Reto; Braunschweiler, Reto, Pedicle screw for intervertebral support elements.
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Walder, Reto; Braunschweiler, Reto, Pedicle screw for intervertebral support elements.
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Walder, Reto; Braunschweiler, Reto, Pedicle screw for intervertebral support elements.
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Walder, Reto; Braunschweiler, Reto, Pedicle screw for intervertebral support elements.
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Harms Jrgen (Belchenweg 9 D DEX) Biedermann Lutz (Berta-Suttner-Strasse 23 D-7730 VS-Schwenningen DEX), Positioning device.
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Morrison Matthew M. ; Squires Craig ; Barker B. Thomas, Reverse angle thread for preventing splaying in medical devices.
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Rokegem Pascal (Saint Laurent Blangy FRX) Steib Jean-Paul F. (Strasbourg FRX), Rod attachment device for rachidian orthopaedy.
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Daniel J. Calanni ; Jay H. Dorval, Snap-in module inserter/ejector with board mount and alignment features.
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Davis Bradford D. (Rancho Mirage CA) Stednitz Mike (Indio CA) Urbanski Mark (La Quinta CA 4), Spinal fixation system.
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Keller Arnold,DEX, Spinal fixing device.
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Jahng,Tae ahn; Yim,Jason; Bowman,Brian, Spinal stabilization device.
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Paul,David C.; Lee,Andrew, Spine stabilization system.
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Paul,David C.; Lee,Andrew, Spine stabilization system.
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Bevan David Robin,GB3 ; Porter Richard William,GB3 ; Shepperd John Anthony Norman,GB3 ; Phillips Peter William,GB3, Surgical implants.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Pedicle screw for intervertebral support elements 원문보기