Patent ID: 8920509

Claim:
A prosthesis system for replacement of a head portion of a proximal radius, comprising: an articulation component having a first connection portion movable between a compressed state and an expanded state in a direction that is substantially perpendicular to a longitudinal axis of the prosthesis system; a first head component having a second connection portion that connects to the first connection portion when said first connection portion is in said expanded state and includes a first blind channel and a first aperture in communication with said first blind channel; a second head component having a third connection portion that connects to the first connection portion when said first connection portion is in said expanded state and includes a second blind channel and a second aperture in communication with said second blind channel, the second head component having a distinct dimension from the first head component; and a stem component operable to be connected to the radius and including a fourth connection portion that selectively and alternatively connects with either of the first or second head components, said fourth connection portion matingly received by said first blind channel when connected to said first head component and matingly received by said second blind channel when connected to said second head component.