| 摘要 |
PROBLEM TO BE SOLVED: To control specific operation of a detector in the moving range simply, quickly and accurately by providing a detector for detecting a radioactive ray emitting from radiation isotopes in the body, a mechanism for moving the detector to desired regions and a CPU for controlling its movement. SOLUTION: A signal from a video image sensor 9 is converted into digital data through an image fetching device 10 and the data is fetched by a CPU 4. The visual field of the device 9 is blocked by a detector 2, however, when a subject 1 is subject to fetching of video image, a detector stand 81 is activated by the CPU 4 and the detector 2 is moved to the side of the subject 1 so as to ensure the visual field. The CPU 4 makes an indicator 5 to show the entire fetched video image of the subject 1. The CPU 4 determines a distance between the designated position on the video image and a bed 82, controls the stand 81 and moves it to desired region. The image of entire body can be automatically collected within the designated moving area under control of the CPU 4 through a keyboard 6.
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