Patent ID: 8348845

Claim:
An ultrasonograph comprising a main body housing, an operation device having operation switches, and a movable arm to connect the main body housing to the operation device, wherein the main body housing has an arc shaped inclined face, wherein arc shaped is part of the circumference of a circle, inclining vertically and rearward from a front face portion to an upper face portion; wherein the main body housing has an arm transfer groove inclining vertically and reward along the arc shaped inclined face, and the movable arm has an elevating function mechanical section so that the operation device is movable along the arc shaped inclined face by movement of the movable arm inclining upward toward the back, to slide and fix the operation device at a selectable position along the arc shaped inclined face; and wherein the movable arm being fixed at one end so as to be rotatable around a rotation axis formed at a predetermined position in the arm transfer groove, so that the operation device is movable in a same direction as the arc shaped inclined face by rotation of the movable arm.