Patent ID: 7927335
Filing Date: 2011-04-19
Classification: A61B,A61F

Abstract:
1. An instrument assembly for preparing a surface of a joint, the surface adapted for receiving a glenoid component having a feature closely conforming to the glenoid surface, the prosthetic component providing a bearing surface for a portion of a long bone, the instrument assembly comprising: a guide having a housing, a base and a restraining component, said base including a convex lower surface sized and shaped to be seated in the prepared joint surface and the restraining component operably associated with said base, the restraining component being pivotably and removably coupled to the housing, the housing including a pintle and the restraining component including a bearing having a u-shaped slot, wherein the pintle slidably fits within the u-shaped slot; and a tool for cooperation with the housing for preparing the surface, the housing adapted to at least partially control the position of the tool as it prepares the surface, the base adapted to assist in positioning of the guide with respect to the joint.