Howmedica Osteonics Corporation

James Crutcher, Jr

Peter Tulkis

Elena Steffan

Morgan Kollmeier

A joint replacement system that includes an acetabular cup implant that has an outer surface, a drill bit that has a cutting surface, and a guide separately formed from the acetabular cup implant. The guide has a body that defines first and second guide openings each adapted to receive the drill bit. The system also includes void filler prosthesis that has an implant facing surface and first and second portions connected to the implant facing surface. The first and second portions each have an outer surface that has a geometry corresponding to the cutting surface of the drill bit such that the first and second portions can be received in respective openings in a bone formed by the drill bit.

Joint replacement augments and associated instrumentation

A method of augmenting a bone defect in proximity to an acetabulum, comprising: implanting an acetabular cup implant into a bone; after implanting the acetabular cup implant, driving a drill bit into the bone so as to form a first void having a geometry corresponding to that of the drill bit; and inserting a void filler into the void formed by the drill bit such that a portion of the void filler is in a working relationship with the acetabular cup implant and another portion of the void filler is disposed within the void.

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Seattle, WA, United States of America

James Crutcher, Jr