Adjacent level facet arthroplasty devices, spine...

Details Adjacent level facet arthroplasty devices, spine... Adjacent level facet arthroplasty devices, spine...

A - Human Necessities

61

B

A61B 17/70 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2576636

The invention discloses an implantable facet arthroplasty device suitable for treating adjacent level disease. The device is designed for implantation between a first vertebra and a second vertebra. Components of the device include: a crossbar; a first component having a first attachment mechanism adapted to attach to a first location of a spinal fusion device attached to a first vertebra and a second attachment mechanism adapted to attach to the crossbar; and a second component having a second attachment mechanism adapted to attach to a second location of a spinal fusion device attached to the first vertebra and a second attachment mechanism adapted to attach to the crossbar. The first component articulates relative to the second component and the first vertebra articulates relative to the device itself.

L'invention concerne un dispositif d'arthroplastie à facette implantable convenant au traitement d'une dégénérescence de segment adjacent. Le dispositif est conçu pour être implanté entre une première vertèbre et une seconde vertèbre. Le dispositif se compose d'une traverse ; d'un premier composant possédant un premier mécanisme de fixation conçu pour se fixer à un premier emplacement d'un dispositif de fusion vertébrale fixé à une première vertèbre et un second mécanisme de fixation conçu pour se fixer à la traverse ; d'un second composant possédant un second mécanisme de fixation conçu pour se fixer à un second emplacement d'un dispositif de fusion vertébrale fixé à la première vertèbre et un second mécanisme de fixation conçu pour se fixer à la traverse. Ledit premier composant s'articule par rapport au second composant, et la première vertèbre s'articule par rapport au dispositif lui-même.

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