Patent ID: 6477400
Filing Date: 2002-11-05
Classification: A61B

Abstract:
A fluoroscopic image guided surgery system comprising:a C-arm fluoroscope for obtaining fluoroscopic images of an object bone, the C-arm fluoroscope including at least one set of radiators; a reference bar capable of attaching to the object bone, the reference bar including radiators; a surgical instrument for performing an operation, the instrument including radiators; a position sensor capable of sensing the at least one set of radiators of the C-arm fluoroscope, the radiators of Fe reference bar, and the radiators of the surgical instrument so that the position sensor can determine a position of at least one of the C-arm fluoroscope and the surgical instrument with respect to the reference bar; and only one fiducial marker for attachment to the object bone, the one fiducial marker and a shape of the object bone being visible in the fluoroscopic images wherein only the one fiducial marker and the shape of the object bone are used for determining a position of the object bone relative to the position sensor.