Patent ID: 7440545
Filing Date: 2008-10-21
Classification: A61B,A61N

Abstract:
1. A positioning system for radiation therapy, comprising a collimator for forming a radiation field, a snout in which is set said collimator, and a patient positioner for supporting a patient, wherein said positioning system further comprises: a first display area for displaying a reference image as image information which is prepared during treatment planning and includes an affected part in a patient body; a second display area for displaying a first positioning image as image information which is captured by X-ray equipment and includes the affected part in the patient body; and a processing control unit for displaying, on said reference image, figure data representing a planned collimator contour shape which is registered in the image information of said reference image during the treatment planning, displaying the figure data representing the planned collimator contour shape in said second display area, and producing positioning information of said patient positioner based on a figure representing the planned collimator contour shape, which is displayed in said second display area, and on said first positioning image displayed in said second display area.