Patent ID: 8906103

Claim:
A prosthesis comprising: a stem having a longitudinal axis; an adaptor including a first taper having a first taper axis of symmetry and a second taper having a second taper axis of symmetry angled relative to the first taper axis of symmetry; and a head rotatably supported by the adaptor, the head having a semispherical articulating surface defined by a central axis of symmetry angled relative to the first and second taper axes of symmetry, wherein the head includes a first female taper formed therein that rotatably receives the first taper of the adaptor, the first female taper is asymmetric relative to the central axis of the head, the head is positionable relative to the stem through relative rotation between the head and the stem about the first and second taper axes of symmetry to adjust a position of the head relative to the longitudinal axis of the stem.