| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an X-ray CT device having a thin frame with an opening of a large diameter. <P>SOLUTION: The X-ray CT device sets a subject through the opening of the frame in a direction of the subject's body, rotates an X-ray tube and an X-ray detection part, which are opposedly arranged at the center of the opening, around the subject, acquires a photographed image based on the X-ray that is emitted from the X-ray tube, transmits through the subject, and is detected by the X-ray detection part, and includes a rotation ring and a bearing. The rotation ring is formed to be ring-shaped so as to extend along the opening's circumferential direction and are provided with the X-ray tube and the X-ray detection part on an inner peripheral surface of the same. The bearing is provided between the outer peripheral surface side of the rotation ring and the frame, and supports the rotation ring so as to rotate it in a circumferential direction of the opening. <P>COPYRIGHT: (C)2013,JPO&INPIT |
