METHODS FOR MAKING OXIDATION RESISTANT POLYMERIC MATERIAL
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United States of America Patent
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Issued Date -
Apr 17, 2008
app pub date -
Nov 30, 2007
filing date -
May 11, 2004
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Abandoned
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Abstract
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.
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