Patent ID: 7753959

Claim:
A system for use during shoulder arthroplasty, said system having a glenoid component adapted to be implanted into a scapula and engaged by a head of a humeral component, said glenoid component comprising: a body having a first articulating surface and a second medial surface opposite said first articulating surface, said first articulating surface adapted to be engaged by a humeral head and said second medial surface adapted to be secured to the scapula, a generally cylindrical coupling mechanism protruding from said second medial surface, said coupling mechanism having a first flat bearing surface; a metal bushing integrally molded within the coupling mechanism, said metal bushing defining a threaded central bore; at least one fixed peg, each of said fixed pegs having a first end adapted to engage a cavity formed in the scapula and a second end extending from said medial surface; and a removable central stem, said central stem further having a second exterior flat bearing surface, the second exterior flat bearing surface configured to interface with the first flat bearing surface when the removable central stem is engaged with the threaded central bore before the body is engaged with the scapula, said central stem being configured to be non-rotatably engaged with a hole defined in the scapula.