Canon Medical Systems Corporation

Ryuichi Teramoto

Akira Nishijima

Kiminori Toya

Keisuke Oishi

Takashi Kanemaru

Yohei Matsuzawa

Ryo Furukawa

Minoru Horinouchi

Masayuki Wakahara

Kuniaki Yamamoto

An X-ray computed-tomography (CT) apparatus according to an embodiment includes an X-ray tube, a detector, a table top, and processing circuitry. The X-ray tube generates an X-ray. The detector detects the X-ray. On the table top, a subject is placed. The processing circuitry controls a moving mechanism to move the table top in a longitudinal direction. The processing circuitry displays information indicating magnitude of a vibration that occurs, when each position in the longitudinal direction on the table top is moved to a position intersecting a path of the X-ray, at the position.

X-ray CT apparatus

An X-ray detector according to one embodiment includes X-ray detector modules, and a frame. Each X-ray detector module has a detection surface on which detection elements configured to detect X-rays are arrayed, and a supporter configured to support the detection elements. The frame fixes positions of the X-ray detector modules in such a manner that the detection surfaces of the X-ray detector modules are aligned along a first direction. The frame is provided with a pin protruding toward the supporter, at a position to which the supporter is fixed. The supporter is provided with a hole through which and into which the pin is inserted and fitted, at a position facing the frame. A movement of the supporter in the first direction is restricted by fitting the pin provided to the frame into the hole provided to the supporter, when the supporter is attached to the frame.

X-ray detector, X-ray detector module, and X-ray CT apparatus

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Yokohama, Japan

Ryuichi Teramoto