| abstract |
An ultrasound endoscope includes an insertion tube configured to be inserted into a subject, the insertion tube including a transducer that includes a plurality of piezoelectric devices that are aligned along a circumferential direction about a center axis of the insertion tube, an observation optical portion configured to capture a subject image, a first built-in material that is different from the observation optical portion, and a support configured to support the observation optical portion and the first built-in material, the transducer including a through hole configured to pierce through along the center axis to insert the support, and the support including a first groove that extends along the center axis, the first groove being configured to support the observation optical portion, and a second groove that extends along the center axis, the second groove being configured to support the first built-in material and communicate with the first groove. |