| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily adjust the position of a patient in the 3D-DSA (digital subtraction angiography). Ž<P>SOLUTION: Tools having lead of a known size are disposed in the front and sides of a desired concerned region for radiography, and the concerned region is radiographed from the front and a side. The quantity of deviation between the center of each radiographic image and the center of the lead in the radiographic image is operated. Target position data for a top panel of a bed device, necessary to locate the subject at the center of the desired concerned region for radiography, are operated based on the result of the operation and the current position data of the top panel of the bed device, and the top panel is moved to the target position. In this way, the work of adjusting the position for radiography of the subject placed on the top panel of the bed device can be efficiently performed, and a mask image and a contrast image with the concerned region for radiography located at the center of the image can be captured in the 3D-DSA. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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