Spinal stabilization device

Details Spinal stabilization device Spinal stabilization device

A - Human Necessities

61

B

A61B 17/70 (2006.01) A61B 17/84 (2006.01)

Patent

CA 2691430

A bone attachment device comprises an attachment collar having a hinged lid is disclosed. The bone attachment device may also comprise a bone fastener (such as a bone screw). A bone attachment device including an attachment collar and a spinal rod locking device is disclosed. A bone attachment device as described herein may be used together with a spinal stabilization rod and one or more additional bone attachment devices. Such devices are adapted to clamp and hold a spinal stabilization rod. Methods for implanting a spinal stabilizer having a bone attachment device including a hinged Ud are disclosed.

L'invention se réfère à un dispositif de fixation d'os qui comprend une bague de fixation comportant un élément articulé, et peut comprendre aussi un élément de fixation d'os (tel qu'une vis à os); à un dispositif de fixation d'os comprenant une bague de fixation et un dispositif de verrouillage de tige vertébrale. Le dispositif de fixation d'os décrit peut être utilisé avec une tige de stabilisation vertébrale et un ou plusieurs dispositifs de fixation d'os supplémentaires. Ces dispositifs sont conçus pour serrer et maintenir une tige de stabilisation vertébrale. L'invention concerne aussi des procédés d'implantation d'un stabilisateur vertébral pourvu d'un dispositif de fixation d'os comprenant un élément articulé.

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