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 2513538

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 and materials used therein.

La présente invention concerne des procédés destinés à la fabrication de dispositifs médicaux résistant à l'oxydation comprenant des polymères, tels que, par exemple, du polyéthylène à poids moléculaire très élevé (UHMWPE). L'invention concerne également, d'une part, des procédés destinés à la fabrication d'implants médicaux dopés aux antioxydants, consistant, par exemple, à doper des dispositifs médicaux contenant du polyéthylène à poids moléculaire très élevé réticulé avec de la vitamine E par diffusion, et, d'autre part, des matériaux utilisés dans ces procédés.

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