PROBLEM TO BE SOLVED: To provide an obturator for medical treatment, which enables solution of a problem in surgical treatment of a pneumonectasia by performing transbronchial bronchus obstruction and which is easy to manufacture.SOLUTION: An indwelling material 2 which can be made to indwell in a branch part H4b of a tube cavity branching into a plurality of portions in a lumen of a bronchus H4, is provided with a first blockading part 9 which can close up a first branch tube cavity H4c being one of cavities of the branch part H4b, a second blockading part 10 which can close up a second branch tube cavity H4d being another cavity different from the first branch tube cavity H4c, and an engagement part 11 which can be made to engage with the end edge part of a joining portion between the first and second branch tube cavities H4c and H4d.COPYRIGHT: (C)2012,JPO&INPIT【課題】本発明は、経気管支的な気管支閉塞を行うことによって、肺気腫の外科的治療における上記の問題を解決することができ、かつ製作が容易な医療用閉塞具を提供することを最も主要な特徴とする。【解決手段】気管支H4の内腔で複数に分岐する管腔の分岐部H4bに留置可能な留置材2に分岐部H4bの1つの第1の分岐管腔H4cを密閉可能な第1の閉塞部9と、第1の分岐管腔H4cとは異なる他の第2の分岐管腔H4dを閉塞可能な第2の閉塞部10と、第1,第2の分岐管腔H4c,H4d間の接合部分の端縁部に係止可能な係止部11とを設けたものである。【選択図】図3
