Patent ID: 8185184
Filing Date: 2012-05-22
Classification: A61B

Abstract:
1. A method comprising: acquiring an image of an imageable portion of a fiducial marker with a system using an imaging modality; displaying with a display device the image of the imageable portion of the fiducial marker affixed to a subject; moving a template on a physical medium transparency over the display device to align the template with the image of the imageable portion of the fiducial marker, wherein the template represents at least the imageable portion of the fiducial marker and includes an indication of a center of the image of the imageable portion of the fiducial marker affixed to the subject including opaque portions that illustrate at least one circle and a center indicator; entering a command into a computer system to select the center of the image of the imageable portion of the fiducial marker displayed on the display device, wherein the selected center of the fiducial marker on the displayed image is based on the moved template; tracking an instrument to identify a physical location of a center of the fiducial marker; and correlating the identified physical location of the center of the fiducial marker with the selected center of the image of the imageable portion of the fiducial marker.