PROBLEM TO BE SOLVED: To provide an endoscope kit enabling an endoscope treatment tool to be directed with good responsiveness in an arbitrary direction by rotating the tool around its axis.SOLUTION: The endoscope kit includes: an endoscope 10 which has a cylindrical treatment tool channel 13, and a guiding groove 13a formed continuously to the channel 13 and extending in parallel to the channel 13 a cylindrical treatment tool 30 in which a spiral guiding groove 32 is formed on the outer circumferential surface and a ring member 20 which has a cylindrical body 21 having an outer diameter equal to the inner diameter of the channel 13, a first cam pin 22 protruding from the outer circumferential surface of the cylindrical body 21 and to be fitted to the guiding groove 13a of the endoscope 10, a second cam pin 23 protruding from the inner circumferential surface of the cylindrical body 21 and to be screwed with the spiral guiding groove 32 of the treatment tool 30 and a guidewire 25 having one end fixed to the first cam pin.COPYRIGHT: (C)2013,JPO&INPIT【課題】内視鏡処置具をその軸を中心に回転させて任意の向きに応答性よく向ける。【解決手段】内視鏡キットは,円筒状の処置具チャンネル13,および上記処置具チャンネル13に連続して形成され,処置具チャンネル13に平行にのびるガイド溝13aを有する内視鏡10,外周面上に螺旋状ガイド溝32が形成された円柱状の処置具30,ならびに上記処置具チャンネル13の内径に等しい外径を有する筒状本体21と,上記筒状本体21の外周面から外側に突出し上記内視鏡10のガイド溝13aに嵌合する第1のカムピン22と,上記筒状本体21の内周面から内側に突出し上記処置具30の螺旋状ガイド溝32に螺合する第2のカムピン23と,上記第1のカムピンに一端が固定されたガイドワイヤ25を備えるリング部材20を備える。【選択図】図1
