PROBLEM TO BE SOLVED: To provide a calculus capture/expulsion device for the tubular organ facilitating a transfer and a re-transfer of the calculus capture/expulsion device for the tubular organ to/from an affected part and capable of surely and smoothly capturing and removing the calculus.SOLUTION: The calculus capture/expulsion device includes: a hollow tubular first sheath 2 in which a guide wire for guiding the calculus capture/expulsion device 1 to any position of the tubular organ is inserted a hollow tubular second sheath 3 in which the first sheath 2 is inserted and a basket 4 having a meshed filter part 43 that is opened to a proximal end side, one end of which is axially slidably disposed at a distal end 21 of the first sheath 2, by a ring-shaped first binding section 41, and the other end of which is axially slidably disposed at a distal end 31 of the second sheath 3, by a ring-shaped second binding section 42.COPYRIGHT: (C)2014,JPO&INPIT【課題】管状器官の結石捕捉及び排石装置の病変部までの搬送、及び再搬送が容易で、結石の捕捉と排石を確実かつスムーズに行うことができる管状器官の結石捕捉及び排石装置を提供する。【解決手段】結石捕捉及び排石装置1を管状器官の任意の位置までガイドするガイドワイヤを内部に挿通可能な、中空の筒状をなす第一のシース2と、第一のシース2が内部に挿通される、中空の筒状をなす第二のシース3と、基端側に開口するメッシュ状のフィルタ部43を備え、一端がリング状の第一の結束部41により第一のシース2の先端部21に軸方向にスライド可能に配置され、他端がリング状の第二の結束部42により、第二のシース3の先端部31に軸方向にスライド可能に配置されるバスケット4と、を備える。【選択図】図1
