A wiring board 55 electrically connected to a back side of an ultrasound transmitting/receiving section 51 that transmits/receives ultrasound includes a rigid circuit board 56 included in a stiff portion, and a wrapping portion 59 extending out from the rigid circuit board 56 (stiff portion), and a plurality of drive wirings 62 electrically connected to the wiring board 55 are inserted into a wiring insertion portion 72 of a housing 70 with the plurality of drive wirings 62 wrapped and bundled by the wrapping portion 59.
