A method of performing a total replacement surgery of a ball and socket joint of a patient using a surgical navigation system is performed by constructing intra-operatively a three dimensional model of the joint based on landmarks of the patient, by preparing the joint to receive implants, by placement...http://www.google.de/patents/US20050065617?utm_source=gb-gplus-sharePatent US20050065617 - System and method of performing ball and socket joint arthroscopy