An apparatus and method is provided for coordinating two fluoroscope images, which permits accurate computer-based planning of the insertion point and angle of approach of a needle, drill, screw, nail, wire or other surgical instrumentation into the body of a patient, and subsequently guides the surgeon...http://www.google.co.uk/patents/US6069932?utm_source=gb-gplus-sharePatent US6069932 - Apparatus and method for planning a stereotactic surgical procedure using coordinated fluoroscopy
