Patent ID: 9566123
Date: 2017-02-14
CPC Classifications: A61B,A61C

Claim:
1. A position monitoring system for a surgical procedure comprising: a single fiducial reference comprising a fiducial key and a fiducial extension rigidly and removably attached to the fiducial key, the fiducial key adapted to be fixed to an area of surgical patient; a first marker attached to the fiducial key in a predetermined fixed relative position and orientation; a non-stereo optical tracker able to determine the position and orientation of the first marker; a computer system having scan data of the patient with the fiducial reference fixed to the area of surgical patient, the computer system coupled to the 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 first marker based on image information from the 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, the display system adapted to show the current position and orientation of the fiducial reference relative to the patient scan data during the surgical procedure.