| 摘要 |
PROBLEM TO BE SOLVED: To provide X-ray apparatus capable of swiftly returning a C-arm of a holder device to last position and last state of the angle. SOLUTION: A control signal generated by a control lever mounted in a control part 7 is input in a computer 5. The control signal has the information on the rotation or parallel movement and the sliding movement of the C-arm intended by an operator. The computer 5 moves the C-arm so that the position or angle of the rotation or parallel movement or sliding direction of the C-arm detected by a detector 37, etc. via a control part 34, etc. and driving parts 31, 32 and 33 match the information. An information memory stores the values of the rotation or parallel movement and the sliding direction when the C-arm is stopped. The values are updated with the values before the movement of the C-arm when the operation is started by the control lever, etc. When a return button 8 is pressed, the C-arm is moved so that the values of the rotation or parallel movement and the sliding direction of the C-arm become the values stored in the information memory 6. COPYRIGHT: (C)2009,JPO&INPIT
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