PROBLEM TO BE SOLVED: To reliably close the opening of an aneurysm, which is formed in a lumen of a living body, by a simple operation.SOLUTION: A device 10 for aneurysm treatment includes: a shaft 12 a lid member 20 which is rotated according to rotating torque transmitted from the shaft 12 and which is locked by inserting a hook 22 into the periphery of an opening 104 of an aneurysm 102 formed in a blood vessel 100, along with its rotation and an engagement mechanism 46 which can transmit the rotating torque to the lid member 20 and which can disengage the shaft 12 from the lid member 20 in the state of locking the lid member 20 to the opening 104 of the aneurysm 102.COPYRIGHT: (C)2013,JPO&INPIT【課題】簡単な操作によって、生体管腔に発生した瘤の開口部を確実に閉塞する。【解決手段】瘤治療デバイス10は、シャフト12と、このシャフト12から伝達される回転トルクに従って回転し、その回転にともない血管100に形成される瘤102の開口部104周辺にフック22を差し込んで係止される蓋部材20と、回転トルクを蓋部材20に伝達可能であるとともに、蓋部材20を瘤102の開口部104に係止した状態で該蓋部材20からシャフト12が離脱可能である離脱機構46と、を備える。【選択図】図2
