Patent ID: 6416553
Filing Date: 2002-07-09
Classification: A61B,A61F

Abstract:
An acetabular prosthesis for implantation in an acetabulum and surrounding pelvis, said acetabular prosthesis comprising:an acetabular cup having an outer surface operable to be received in the acetabulum and an inner surface operable to receive a bearing liner; an anti-rotation counterbore defined by said inner surface of said acetabular cup, said anti-rotation counterbore is formed by a sidewall extending along said inner surface of said acetabular cup and includes at least one bore located within said anti-rotation counterbore and passing through said acetabular cup; and a modular attachment component having an attachment member and an engagement member, said attachment member operable to substantially nest within said anti-rotation counterbore and said engagement member operable to engage a region of the acetabulum, wherein upon positioning said attachment member in said anti-rotation counterbore, said modular attachment component is inhibited from rotational movement relative to said acetabular cup.