| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultrasonic endoscope capable of surely fixing an ultrasonic probe to an observation object, and allowing an endoscopic operation to be performed without using a balloon.SOLUTION: An ultrasonic endoscope includes: an ultrasonic probe 23 provided on a side face of a distal end of an insertion part 12; suction pipelines 26, 26a and 27 provided inside the insertion part and connectable to a negative pressure source at one end; and a suction opening 28 which is formed on an outer peripheral surface of the insertion part forming a cylindrical shape whose center is an axis of the insertion part, to which the other end of the suction pipeline is connected, and whose circumferential direction position around the axis is the same as the ultrasonic probe. |
