Patent ID: 7785372
Filing Date: 2010-08-31
Classification: A61F,A61L,B29K,B29L

Abstract:
1. An artificial joint member made of a polymeric material comprising: a sliding surface composed of a homopolymer polymerized from polymerizable monomers each having a phosphoryl choline group and a (meth)acryloyloxyalkyl group wherein the phosphoryl choline group is directly bound to a (meth)acryloyloxyalkyl group; a part composed of a polyethylene substance, wherein the homopolymer is directly bound to the polyethylene substance at one end of the homopolymer via the (meth)acryloyloxyalkyl group and said homopolymer is produced by graft polymerization of said polymerizable monomers on the surface of said polyethylene substance.