Hip joint prosthesis

Details Hip joint prosthesis Hip joint prosthesis

A - Human Necessities

61

L

A61L 27/00 (2006.01) A61F 2/32 (2006.01) A61L 27/04 (2006.01) A61B 17/86 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01) A61F 2/34 (2006.01) A61F 2/36 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2220665

A joint prosthesis formed of a first and a second component. The articulation surfaces of the first component and the second component are both formed from a cobalt chromium alloy. The prosthesis is characterised in that the articulation surface of the first component or the second component is formed from a cobalt chromium alloy having less than 0.1% carbon by weight, and the other articulation surface is formed from a cobalt chromium alloy comprising at least 0.18% carbon by weight.

Prothèse d'articulation formée d'un premier et d'un second composants. Les surfaces articulaires du premier et du second composants sont toutes deux constituées d'un alliage de chrome de cobalt. La prothèse se caractérise par le fait qu'une des surfaces articulaires est constituée d'un alliage de chrome de cobalt contenant moins de 0,1 % de carbone en poids, et que l'autre surface articulaire est constituée d'un alliage de chrome de cobalt comprenant au moins 0,18 % de carbone en poids.

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