A system for use during a medical or surgical procedure on a body. The system generates a display representing the position of two or more body elements during the procedure based on an image data set generated by a scanner prior to the procedure. The image data set has reference points for each of the...http://www.google.de/patents/US6347240?utm_source=gb-gplus-sharePatent US6347240 - System and method for use in displaying images of a body part
