Variable geometry rim surface acetabular shell liner

Details Variable geometry rim surface acetabular shell liner Variable geometry rim surface acetabular shell liner

A - Human Necessities

61

F

A61F 2/34 (2006.01) A61F 2/30 (2006.01) A61F 2/32 (2006.01)

Patent

CA 2401107

An acetabular shell liner (20) having a variable rim surface geometry (26), which improves range of motion of the femoral component within the liner and decreases the incidence of dislocation and subluxation, and methods of making and using the acetabular shell liner. Prosthetic devices, more particularly hip joint prostheses, containing the acetabular shell liner having a variable rim surface geometry are also provided.

L'invention concerne une garniture de cupule, possédant une surface de rebord à géométrie variable, qui permet d'améliorer la plage de déplacement d'un composant fémoral dans ladite garniture, et réduit l'incidence d'une luxation et d'une sublimation; ainsi que des procédés de fabrication et d'utilisation de ladite garniture de cupule. L'invention concerne également des dispositifs de prothèse, et plus particulièrement des prothèses de la hanche, contenant la garniture de cupule qui présente une surface de rebord à géométrie variable.

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