Patent ID: 8632598

Claim:
A method of performing shoulder arthroplasty, the method comprising: implanting a frame member into a glenoid; directly coupling a first cup to the frame member, the first cup having a first concave articulating surface; implanting a humeral component having a humeral head into a humerus, the humeral head configured to articulate relative to the first concave articulating surface; subsequent to bone interdigitation with the frame member, removing the cup from the frame member while leaving the frame member implanted in the glenoid; directly coupling a glenosphere to the frame member; removing the humeral head from the humeral component; and coupling a second cup to the humeral component, the second cup having a second concave articulating surface, the glenosphere configured to articulate relative to the second concave articulating surface; wherein the frame member is a single component including a central hub including a first arm extending outwardly in a radial direction from a central axis of the central hub.