Patent ID: 8308806
Filing Date: 2012-11-13
Classification: A61B,A61F

Abstract:
1. A first articulating member for use with a second articulating member to form a prosthesis for use in joint arthroplasty for a joint formed between adjacent first and second bones in which a bone fragment having an exterior surface has separated from the first bone, said first articulating member comprising: an articulating portion having an articulation surface for articulation with the second articulating member; an attaching portion connected to the articulating portion for attachment to the first bone; and a fragment portion including a connecting member configured to connect to at least one of the articulating portion and the attaching portion, said fragment portion including a plurality of spaced apart fingers, at least one of the plurality of spaced apart fingers including a surface configured to contact the exterior surface of the bone fragment, wherein the exterior surface is located on an outer periphery of the first bone prior to separation of the bone fragment from the first bone; wherein the attaching portion comprises a stem including a first end portion and a second end portion, wherein each finger in the plurality includes a base located adjacent the first end portion of the stem and a tip located distally from the base and, wherein the plurality of fingers extend from the first end portion of the stem to position the tips of the plurality of fingers closer to the second end portion of the stem than the base.