Patent Document ID: 20130156154
Application ID: 13709327
Patent Status: 0

Claim One:
1. An X-ray diagnosis apparatus comprising: an X-ray irradiation device configured to irradiate an object with an X-ray, the device including an X-ray source configured to generate an X-ray and a movable aperture device configured to form an X-ray irradiation field; an X-ray detection device disposed to be opposed to the X-ray irradiation device and configured to detect the X-ray; a retainer configured to retain the X-ray irradiation device and the X-ray detection device; a bed system provided between the X-ray irradiation device and the X-ray detection device, and configured to place an object thereon; a radiography image generating unit configured to control the X-ray irradiation device, the X-ray detection device, the retainer, and the bed system, and to generate a radiography image as a static image by using a radiography irradiation field as the X-ray irradiation field; a fluoroscopy image generating unit configured to control the X-ray irradiation device, the X-ray detection device, the retainer, and the bed system, and to generate a fluoroscopy image as a dynamic image by using a fluoroscopy irradiation field as the X-ray irradiation field, the fluoroscopy irradiation field being narrower than the radiography irradiation field; a display control unit configured to generate a superimposed image in which the fluoroscopy image is superimposed on a part of the radiography image, and to display the superimposed image on a display device; and an irradiation field changing unit configured to change the fluoroscopy irradiation field with the superimposed image being displayed.