Patent ID: 8664290
Filing Date: 2014-03-04
Classification: A61B,A61L,C08J,C08K,C08L,Y10T

Abstract:
1. An orthopedic implant, comprising: a consolidated blend of UHMWPE powder and a solvent-dissolved antioxidant which has been irradiated with a total dose of greater than about 100 kGy to less than or equal to about 1000 kGy to crosslink the blend, at least some of the antioxidant remaining in the crosslinked blend after crosslinking irradiation, the consolidated and irradiated blend having about no detectable oxidation after about 8 weeks of accelerated aging, wherein the consolidated and irradiated blend has an elongation-at-break of about 246.2% to about 411.2%, and a pin-on-disk wear rate of about 0.02 mg/Mc to about 0.58 mg/Mc.