Patent ID: 8591591

Claim:
A shoulder prosthetic comprising: an articulating bearing; a glenoid tray configured to be implanted into a resected glenoid, the glenoid tray having a glenoid interface surface, an opposed bearing mounting surface and a stem extending from the glenoid interface surface along a longitudinal axis in a direction away from the opposed bearing mounting surface; a bearing coupling member having an interface surface configured to engage the bearing mounting surface, said bearing coupling member having a bearing coupling surface configured to mate to a corresponding surface on the articulating bearing and extending along the longitudinal axis into the stem; and a spring annularly disposed in relation to the bearing coupling member, said spring being coupled to the articulating bearing and one of the glenoid tray or bearing coupling member, wherein after implantation of the prosthetic said bearing coupling member remains movable along the longitudinal axis with respect to at least one of the articulating bearing and the glenoid tray.