Patent Document ID: 8938282
Application ID: 13571284
Patent Status: 1

Claim One:
1. A position monitoring system for a surgical procedure comprising: a single fiducial reference adapted to be fixed to an area of surgical patient such that the fiducial reference is at least partially non-visible during the surgical procedure; a marker attached to the fiducial reference in a predetermined fixed relative position and orientation; a non-stereo optical tracker able to determine the position and orientation of the marker; a computer system having a scan of the patient with the fiducial reference fixed to the area of surgical patient, said computer system coupled to said tracker and including a processor with memory and a software program having a series of instructions which when executed by the processor determines the relative position and orientation of the marker based on information from said tracker, and relates the current position and orientation of the fiducial reference to the scan data; and a display system in communication with the computer system, said display system adapted to show the current position and orientation of the fiducial reference relative to the patient scan data during the surgical procedure.