Methods for making oxidation resistant polymeric material

Details Methods for making oxidation resistant polymeric material Methods for making oxidation resistant polymeric material

A - Human Necessities

61

F

A61F 2/00 (2006.01)

Patent

CA 2565849

The present invention relates to methods for making oxidation resistant medical devices that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medical devices containing cross-linked UHMWPE with vitamin E by diffusion, post- doping annealing, and materials used therein.

La présente invention porte sur des procédés de fabrication de dispositifs médicaux résistant à l'oxydation qui comprennent des matières polymères telles que le polyéthylène de poids moléculaire ultra élevé. L'invention porte également sur des procédés de fabrication d'implants médicaux dopés avec des antioxydants, comme le dopage de dispositifs médicaux contenant le polyéthylène réticulé de poids moléculaire ultra élevé par diffusion de vitamine E, le recuit après dopage et sur des matériaux utilisés dans ces dispositifs médicaux.

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