Patent ID: 11911216
Assignee: FUJIFILM CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An ultrasonic endoscope comprising:
an insertion part including a tip portion;
an ultrasonic transducer at the tip portion of the insertion part;
a balloon mounting portion which is disposed closer to a base end side of the insertion part than the ultrasonic transducer, and on which a balloon wrapping the ultrasonic transducer is mounted;
a pipe line extending in the insertion part, and configured to supply and discharge an ultrasonic transmission medium for the balloon;
a treatment tool outlet that is positioned at a tip of a treatment tool channel;
an imaging element provided in a rear of an observation window; and
a tip-side opening that is positioned at a tip of the pipe line and opens in a direction of the longitudinal axis of the insertion part,
wherein, in a side view of the tip portion, the treatment tool outlet, the observation window, a first edge of the balloon mounting portion, the tip-side opening, and a second edge of the balloon mounting portion are positioned in this order from a side on which the ultrasonic transducer is positioned in the tip portion in the side view.