Patent ID: 7172597
Filing Date: 2007-02-06
Classification: A61B,A61F

Abstract:
1. A system for implanting an orthopedic prosthesis on a resected surface of a bone using a surgical tool, the resected surface including a posterior cut surface and a chamfer cut surface, said system comprising: a first prosthetic component and a second prosthetic component, said first and second prosthetic components having differently sized configurations; a provisional component removably mountable on the bone, said provisional component having a configuration that is substantially similar to said first prosthetic component and has a predefined correspondence to said second prosthetic component; at least one referencing element disposed on said provisional component wherein, when said provisional component is mounted on the bone, said at least one referencing element defines at least one reference point on the bone; and an instrument guide having a substantially planar base surface configured to abut a portion of the resected surface of the bone, said instrument guide including at least one positioning element alignable with the at least one reference point, said instrument guide defining at least one guide feature configured to receive the surgical tool, wherein when said positioning element is aligned with the reference point said guide feature is positioned to guide the surgical tool received therein to cut the posterior surface of the bone.