PROBLEM TO BE SOLVED: To provide a bed device for a medical diagnostic device capable of coping with a large velocity ratio from a low-velocity region to a high-velocity region.SOLUTION: A bed device for a medical diagnostic device includes a base, a top plate supported on the base through a movement mechanism 6, and a drive part for driving and moving the top plate. The drive part includes a single motor 41, a plurality of reduction gears 51 and 52 connected to a drive shaft of the motor whose reduction ratios are different, and connection selection parts 53 and 54 for selectively connecting one of the plurality of reduction gears to the movement mechanism.COPYRIGHT: (C)2015,JPO&INPIT
