PROBLEM TO BE SOLVED: To provide a medical image diagnostic apparatus which can concentrate attention of a medical person in medical practice while securing an image of an attention part.SOLUTION: A medical image diagnostic apparatus includes: an operation part 310 having a placing face on which a finger can be placed, and where a plurality of groove parts 311 for guiding fingers to the placing face is arranged while corresponding to the fingers a touch sensor 312 for detecting a motion of each finger guided to the placing face and a support part 320 for supporting the operation part 310 so as to be movable.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】注目部位の画像を確保しつつ、医業に集中できる医用画像診断装置を提供する。【解決手段】手指を載置可能な載置面を有し、手指を載置面に案内する溝部311が手指に対応して複数配置された操作部310と、載置面に案内されたそれぞれの手指の動作を検出するタッチセンサー312と、操作部310を可動に支持する支持部320と、を備えることを特徴とする医用画像診断装置。【選択図】図2