Facet joint prosthesis

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/44 (2006.01)

Patent

CA 2531677

A prosthetic implant for replacing a facet joint of a spinal motion segment (100) includes a generally conical superior component (200) adapted to be implanted at a surgically prepared site on a lower articular process (118) of a cephalad vertebra of a spinal motion (100), and a cup-shaped inferior component (300) adapted to be implanted at a surgically prepared site on a superior articular process (114) of a caudal vertebra of the spinal motion segment (100).

L'invention concerne un implant prothétique destiné à remplacer une facette vertébrale d'un segment de mouvement vertébral. Cet implant comprend un composant supérieur généralement conique conçu pour être implanté au niveau d'un site préparé par une procédure chirurgicale sur un processus articulaire inférieur d'une vertèbre en flexion d'un segment de mouvement vertébral et un composant inférieur en entonnoir conçu pour être implanté au niveau d'un site préparé par une procédure chirurgicale sur un processus articulaire supérieur d'un vertèbre en extension d'un segment de mouvement vertébral.

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