Prosthesis for partially replacing the joint head of a human bone

摘要

Presented is an endoprosthesis for the partial replacement of the joint head of a human bone, in particular of the thigh bone, that includes a first spherical segment whose diameter corresponds to the upper part of the natural joint head. Serving for anchoring the endoprosthesis in the human bone is an anchoring part that adjoins the first spherical segment and that is constructed as a second spherical segment that is capable of being anchored in a corresponding spherical recess in the bone.