A method of manufacturing an arthroplasty jig is disclosed herein. The method may include the following: generate a bone model, wherein the bone model includes a three dimensional computer model of at least a portion of a joint surface of a bone of a patient joint to undergo an arthroplasty procedure;...http://www.google.com/patents/US20100049195?utm_source=gb-gplus-sharePatent US20100049195 - ARTHROPLASTY SYSTEM AND RELATED METHODS