A bone cutting guide block has a saw guide surface thereon and has a body shaped to conform to the anterior-medial shape of the proximal left tibia and distal left femur and also to the anterior-lateral shape of the proximal right tibia or the distal right femur. The block is used by placing the curved...http://www.google.com.au/patents/US20050171545?utm_source=gb-gplus-sharePatent US20050171545 - Knee computer-aided navigation instruments
