Patent ID: 7639776
Filing Date: 2009-12-29
Classification: A61B,H05G

Abstract:
1. An X-ray CT apparatus comprising: an X-ray tube; an X-ray detector positioned with respect to the X-ray tube; an X-ray data acquisition device configured to acquire X-ray projection data by performing a scan including irradiating X-rays to a subject from the X-ray tube and transmitting the X-rays through the subject to the X-ray detector, the X-ray tube and the X-ray detector being rotated around the subject with respect to an axis extending along a Z-direction that is a body axis direction of the subject; an image reconstructing device configured to reconstruct the X-ray projection data acquired by the X-ray data acquisition device to obtain a tomographic image; and an imaging or scanning condition setting device configured to set a plurality of parameters as a condition for obtaining the tomographic image, the plurality of parameters including an X-ray tube current value, the imaging or scanning condition setting device comprising: a first setting device configured to: a second setting device configured to: