PROBLEM TO BE SOLVED: To provide a catheter able to form a thread-like substance while leaving a contractable space in a pulmonary alveolus.SOLUTION: A catheter 100 includes an elongated body portion 20 that has a lumens 21 and 22 for a liquid substance to allow the introduction of the liquid substance, a discharge part 10 that is arranged at the distal end of the body portion and discharges the liquid substance introduced into the lumen for the liquid substance as a thread-like embolic material, and a rotary holding part 30 that holds the discharge part rotatably to the body portion.COPYRIGHT: (C)2014,JPO&INPIT【課題】肺胞内部に収縮可能な空間を残しつつ糸状物質の形成が可能なカテーテルを提供する。【解決手段】本発明に係るカテーテル100は、液状物質が導入可能な液状物質用ルーメン21、22を有する長尺状の本体部20と、本体部の先端に配置され、液状物質用ルーメンに導入された液状物質を糸状塞栓物として吐出する吐出部10と、本体部に対して吐出部を回転可能に保持する回転保持部30と、を有する。【選択図】図2
