A patellar 3-D guidance tool includes a template. The template includes at least one contact surface for engaging a surface of the patella. The at least one contact surface substantially conforms with the surface associated with the patellar. At least one guide aperture directs movement of a surgical...http://www.google.com.au/patents/US20100305573?utm_source=gb-gplus-sharePatent US20100305573 - Patient Selectable Joint Arthroplasty Devices and Surgical Tools
