PROBLEM TO BE SOLVED: To widen the visual field of ultrasound and to enhance image quality when inspecting, diagnosing, and treating the target site of a subject using surgical tools while looking at an ultrasonic image.SOLUTION: An ultrasonic probe having a plurality of oscillators arranged in an axial direction of a head part in the side surface part of the distal end, the first inserting hole which is opened in the front surface part of the distal end and through which an optical imaging tool for guiding insertion is inserted, the second inserting hole through which the surgical tool is inserted, and the third inserting hole through which a light irradiating tool is inserted are formed in the head part of an inserting part to be inserted into the body cavity of the subject. The openings of the second and third inserting holes are formed in an inclined surface located in the rear end side of the ultrasound probe.COPYRIGHT: (C)2013,JPO&INPIT【課題】超音波画像を見ながら術具を用いて被検体の対象部位を検査、診断、治療等する際、超音波の視野を広くし、かつ、画質を向上させることにある。【解決手段】被検体の体腔内に挿入される挿入部のヘッド部において、先端の側面部にヘッド部の軸方向に配列された複数の振動子を有する超音波探触子と、先端の前面部に開口され挿入案内用の光学撮像器具が挿通される第1の挿通穴と、術具が挿通される第2の挿通穴及び光照射器具が挿通される第3の挿通穴とを形成し、第2と第3の挿通穴の開口を超音波探触子の後端側に位置する傾斜面に形成することを特徴とする。【選択図】図1
