A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/30 (2006.01) A61F 2/36 (2006.01) A61F 2/40 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2324221
A modular orthopedic prosthesis (10) has a body (14) with a generally triangular cross section near one end (20), allowing its angular corners to bite or incise into the surrounding bone cavity for rotational stability. A stem (12), which may be either unitary or modular in structure, is received within a through-bore (18) of the body (14), having a proximal neck (22) and distal shaft (30). A connecting sleeve (16) receives the stem (12) and is, in turn, received within the bore (18) of the body (14), then actuated to radially expand to lock the stem and body together. Preferred modular hip (10) and humeral (110) prostheses are described.
L'invention porte sur une prothèse (10) orthopédique modulaire pourvue d'un corps (14) ayant une section transversale triangulaire près d'une extrémité (20), ce qui permet aux angles de mordre ou d'inciser la cavité osseuse environnante pour obtenir une stabilité de rotation. Une tige (12), pouvant être de structure unitaire ou modulaire, et pourvue d'un col (22) proximal et d'un arbre (30) distal, se loge dans un trou traversant (18) du corps (14). Un manchon (16) de raccordement recevant la tige (12) passe à son tour dans le trou (18) du corps (14), puis est actionné pour se dilater radialement et bloquer la tige et le corps. L'invention porte également sur une hanche (10) modulaire préférée et sur des prothèses humérales (110).
Marks & Clerk
White Patrick Michel
LandOfFree
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