Hip prosthesis provided with a shaft inserted into the femur

Details Hip prosthesis provided with a shaft inserted into the femur Hip prosthesis provided with a shaft inserted into the femur

A - Human Necessities

61

F

A61F 2/36 (2006.01)

Patent

CA 2526043

The invention relates to a hip prosthesis provided with a shaft (1) which can be inserted into a hole in the femur without using cement. The proximal section of the shaft is made up of a base body and the form thereof corresponds to the complementary form of the hole which is to be formed in the bone by means of a corresponding tool. A cuneus rib (12) is raised on the dorsal or ventral side of the base body and the width in the centre thereof is at least three times greater than the height thereof. The rear surface thereof (13) has rough and abrasive properties.

La présente invention concerne une prothèse de hanche comprenant une tige (1) à insérer sans ciment dans une ouverture de l'os de la cuisse. La partie proximale de la tige comprend un corps de base dont la forme est complémentaire à celle de l'ouverture qui doit être pratiquée dans l'os au moyen d'un outil correspondant. Sur un côté dorsal et ventral du corps de base s'élève respectivement une nervure cunéiforme (12) dont la largeur vaut en moyenne au moins trois fois sa hauteur, et dont la surface arrière (13) a une rugosité abrasive.

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