Patent ID: 7951163
Filing Date: 2011-05-31
Classification: A61B

Abstract:
1. An excision tool for removing a portion of a patient's articular surface, said excision device comprising: a cutter comprising a ball coupling and a first and a second longitudinal member extending generally between said ball coupling and a first and second opposite end, respectively, of said cutter, wherein at least a portion of each of said first and second longitudinal member comprises a cutting edge and wherein said ball coupling has a cross-sectional dimension which is greater than a cross-sectional dimension of said first and said second longitudinal members; and a shaft comprising a proximal and a distal end, wherein said shaft comprises: wherein said ball coupling of said cutter is configured to be received through said opening and into said internal passageway and translated towards said distal end of said shaft such that said ball coupling engages said internal passageway and said cutter is rotatable within a longitudinal axis of said shaft and tiltable relative to said longitudinal axis of said shaft when said cutter is disposed against said patient's articular surface.