Replacement facet joint and method

Details Replacement facet joint and method Replacement facet joint and method

A - Human Necessities

61

B

A61B 17/56 (2006.01)

Patent

CA 2579570

Prostheses and methods for repair of a cervical fact joint. The articulating surfaces of the natural facets of the facet joint are removed only a sufficient amount to allow the insertion of flat or slightly curvilinear portions of protheses therebetween in an overlapping relationship. The portions are so inserted and the prostheses mounted by attachment to adjacent vertebrae. Also, a single natural facet may be similarly repaired with a single prosthesis.

L'invention concerne des prothèses et des procédés permettant de réparer un joint de facette cervicale. Les surfaces d'articulation des facettes naturelles du joint de facette sont déposées suffisamment pour permettre d'y insérer des parties plates ou légèrement curvilignes de prothèses dans une relation de chevauchement. Ces parties sont ainsi insérées et les prothèses installées par fixation aux vertèbres contiguës. En outre, une facette naturelle simple peut de la même manière être réparée au moyen d'une prothèse simple.

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