Patent ID: 6676704
Filing Date: 2004-01-13
Classification: A61B,A61F,A61L,B22F,C23C,F16C

Abstract:
A component for use in a prosthetic joint, the component comprising:a sintered polycrystalline diamond compact, a substrate located on said polycrystalline diamond compact, substrate surface topographical features located on said substrate, said substrate surface topographical features tending to increase surface area of contact between said substrate and a diamond table, a diamond table sintered to said substrate on said polycrystalline diamond compact, a gradient transition zone between said substrate and said diamond table, chemical bonds between said diamond table and said substrate which tend to secure said diamond table to said substrate, and a load bearing and articulation surface on said polycrystalline diamond compact, said load bearing and articulation surface including polycrystalline diamond, said load bearing and articulation surface being formed to present a surface that accommodates joint articulation.