Patent ID: 7883653
Filing Date: 2011-02-08
Classification: A61F,A61L,B29C

Abstract:
1. A method of making an implantable orthopaedic bearing, the method comprising the steps of: molding a layer of non-crosslinked polyethylene to a metallic component, molding a layer of crosslinked polyethylene to the layer of non-crosslinked polyethylene such that a first side of the layer of crosslinked polyethylene is melt-fused to the layer of non-crosslinked polyethylene along a melt-fused interface that is devoid of mechanical interdigitation or interlocking, and forming an articulating surface on a second, opposite side of the layer of crosslinked polyethylene during the step of molding the layer of crosslinked polyethylene to the layer of non-crosslinked polyethylene.