A JOINT REPLACEMENT PROSTHESIS

摘要

The invention is directed to a joint replacement prosthesis comprising a conical base (6) and a hemispherical or part hemispherical top (7) providing a hemispherical or part hemispherical replacement bearing surface, the prosthesis being shaped and sized to be a wedge fit in a conical recess formed in the head or neck of a human femur or humerus without removal of all of the neck of the femur or humerus.