A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/60 (2006.01) A61B 17/02 (2006.01) A61B 17/70 (2006.01) A61B 17/88 (2006.01)
Patent
CA 2170273
The invention relates to a device for anchoring rachidian instrumentation on a vertebra, comprising at least one support (55, 55a, 55b) carrying means (5a, 5b, 6a, 6b, 7a, 7b) for coupling the instrumentation to said support and means (35, 61, 65, 71) for anchoring the support (55, 55a, 55b) with respect to the vertebra, characterized in that the support (55, 55a, 55b) presents a convex face (56) which is shaped to the fit and lies against of at least one portion of the concave surface of the posterior arch of the vertebra on at least one side of the spinous process (58) of the vertebral column, and in that the anchoring means (35, 61, 65, 71) rigidly link at least two distinct portions of the support (55, 55a, 55b) to at least two corresponding distinct portions of the vertebra.
L'invention concerne un dispositif d'ancrage d'une instrumentation rachidienne sur une vertèbre comprenant au moins un support (55, 55a, 55b) portant des moyens (5a, 5b, 6a, 6b, 7a, 7b) de couplage de l'instrumentation à ce support et des moyens (35, 61, 65, 71) d'ancrage du support (55, 55a, 55b) par rapport à la vertèbre, caractérisé en ce que le support (55, 55a, 55b) comporte une face convexe (56) épousant et venant en appui au contact d'une portion au moins de la surface concave de l'arc postérieur de la vertèbre d'un côté au moins de l'apophyse épineuse (58), et en ce que les moyens d'ancrage (35, 61, 65, 71) associent rigidement au moins deux portions distinctes du support (55, 55a, 55b) à au moins deux parties distinctes correspondantes de la vertèbre.
Fairant Paulette
Martin Jean-Raymond
Mcfadden Fincham
LandOfFree
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