To safely perform both of long distance photographing and X-ray fluoroscopy by a simple configuration by paying attention to an actual using state.
A carriage 2 is provided at a column 1 so as to be elevated and lowered, a support arm 3 is provided at the carriage 2 so as to be rotated around an axis in a horizontal direction, an X-ray detector 5 is provided in a fixed state at one end side in the longitudinal direction of the support arm 3, and an X-ray tube 4 for irradiating a subject with X-rays is provided on the other end side so as to be displaced to be far from or close to the X-ray detector 5 in the X-ray irradiation direction. A fixing pin and a notch for fixing the support arm 3 to the carriage 2 are provided, it is detected by an approach detection limit switch that the X-ray tube 5 has approached the X-ray detector 5 to a prescribed distance, it is made possible to pull out the fixing pin from the notch in response to the detection, and the weights on the side of the X-ray tube 4 and on the side of the X-ray detector 5 are balanced with the rotation axis of the support arm 3 as the center in the state that the X-ray tube 4 approaches the X-ray detector 5 to the prescribed distance.
| JPH05161634 | X-RAY DIAGNOSTIC DEVICE |
| WO/2015/056616 | RADIOGRAPHY APPARATUS |
| JPS6144584 | [Title of the device] Scintillation camera |
TAKAMURA SHOJI
ARAKI TATSUYA
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