Abstract: An adapter device connects a body to be attached and an attachment body including a case main body, which accommodates an electronic device including a display, and an article accommodation portion which has an opening and is provided outside the case main body, and includes: an insertion portion capable of being inserted into the article accommodation portion from the opening of the attachment body; and a fixing portion capable of being fixed to the body to be attached.

Abstract: An accommodation case for an electronic device, includes: a case main body capable of accommodating an electronic device including a display; and an opening and closing member supported on the case main body so as to be openable and closable, and an article accommodation portion that is capable of accommodating at least a part of an article and that has an opening is formed between the opening and closing member and an outer surface of the case main body in a state in which the opening and closing member is closed.

Abstract: An operating device for an endoscope includes: a housing that is separable into a plurality of case members; and a suction unit including a suction button, a suction nozzle, and a connecting pipe that connects the suction button and the suction nozzle to each other, in which the plurality of case members include a first case member including a first mounting portion on which the suction unit is mounted, and a second case member which is stuck to the first case member, and the suction unit is partially sandwiched between the first case member and the second case member so that a position of the suction unit in the housing is fixed.