PROBLEM TO BE SOLVED: To provide a mobile bed device reducing loads on a subject and a medical worker in time of movement from a hospital room to an examination room and the vertical movement of the bed device, and to provide a medical image imaging apparatus including the same.SOLUTION: This mobile bed device 1 includes: a body part 3 including a top plate 11 travel parts 41, 42 making the body part 3 travel a bed side connection connector part 50 detachably, mechanically and electrically connected to the medical image imaging apparatus 200 configured as a body separate from the body part 3 a battery 82 and a battery charger 83 a vertical movement device 30 to be driven by the battery and a vertical movement operation switch 70 performing the operation of the vertical movement of the top plate 11. Power is supplied to the mobile bed device 1 from the medical image imaging apparatus 200 in time of docking, and the mobile bed device 1 is driven by the battery in time of separation.COPYRIGHT: (C)2013,JPO&INPIT【課題】病室から検査室への移動及び寝台装置の昇降動時における被検体及び医療従事者の負荷を軽減できる移動型寝台装置及びこれを備えた医用画像撮像装置を提供する。【解決手段】移動型寝台装置1は、天板11を備えた本体部3と、本体部3を走行させる走行部41、42と、本体部3とは別体に構成された医用画像撮像装置200に対して機械的及び電気的に着脱可能に接続する寝台側接続コネクタ部50と、バッテリー82及び充電器83と、バッテリー駆動する昇降装置30と、天板11の昇降動の操作を行う昇降操作スイッチ70とを備える。ドッキング時には医用画像撮像装置200から移動型寝台装置1に給電され、切り離した時には移動型寝台装置1はバッテリー駆動となる。【選択図】図8