A method for re-registration between a robotic coordinate system and an image data set, said method comprising: providing an image data set that has been registered within a robotic coordinate system based upon an initial bone position within the robotic coordinate system; locating at least three conserved...http://www.google.se/patents/US6430434?utm_source=gb-gplus-sharePatent US6430434 - Method for determining the location and orientation of a bone for computer-assisted orthopedic procedures using intraoperatively attached markers
