PROBLEM TO BE SOLVED: To free a subject placed in a long imaging part from the feeling of being enclosed and the feeling of anxiety by illuminating an inner part.SOLUTION: In a medical image diagnostic device, wherein an X-Ray CT device 20 and a PET device 30 are longitudinally disposed, and which has a tubular imaging part for positioning a subject P who is placed on the top surface 61 of a bed and collecting image data, an illumination part 50 is provided for producing a suitable level of brightness to the display part 40, which is for providing information to the subject without having to adopt every imaging position within the tubular imaging part 13, and to the imaging part.COPYRIGHT: (C)2009,JPO&INPIT【課題】長さの長い撮影部に置かれる被検者の閉塞感、不安感を内部を照明することによって取り除くこと。【解決手段】X線CT装置20とPET装置30とが長手方向に配置され、寝台天板61に載置した被検者Pを位置づけて画像データを収集するための筒状の撮影部を有する医用画像診断装置において、筒状の撮影部13に各撮影位置を避けて被検者へ情報を提供するための表示部40や撮影部を程よい明るさにするための照明部50を設けた。【選択図】図2
