摘要 |
An ultrasound endoscope including, at a distal end of an insertion portion to be inserted to a body cavity, a distal rigid portion arranged forward of a flexible tube portion, an ultrasound transducer portion for scanning a plane which is parallel to forward side of a longitudinal center axis L1 of the distal rigid portion, and a treatment instrument insertion channel port opening in a distal-side end face of the distal rigid portion, with a longitudinal center axis L4 being parallel to the longitudinal center axis L1 of the distal rigid portion.
|