PROBLEM TO BE SOLVED: To provide an endoscope capable of reducing the occupied area of fluid control means, which permits or restricts the flow of a fluid in an inner conduit, in an operation part.SOLUTION: Fluid control means 33 for permitting or restricting the flow of a fluid between a first fluid conduit 30 and a second fluid conduit comprises: a cylinder 35 which communicates with the first fluid conduit and an end opening on an operation part side of the second fluid conduit respectively, has an insertion opening 36, and is provided in the operation part a rotation switch member 37 which is inserted into the cylinder through the insertion opening while a portion is located outside the operation part, and is relatively rotatable with respect to the cylinder and communication switch paths 41, 42, 43 which are formed in the rotation switch member, and permit or restrict the flow of the fluid in the cylinder between the end opening of the first fluid conduit and the end opening of the second fluid conduit corresponding to the rotational position of the rotation switch member.COPYRIGHT: (C)2015,JPO&INPIT【課題】内部管路における流体の流れを許容または規制する流体制御手段の操作部内における占有領域を小さくすることが可能な内視鏡を提供する。【解決手段】第一流体用管路30と第二流体用管路の間の流体の流れを許容又は規制する流体制御手段33が、第一流体用管路及び第二流体用管路の操作部側の端部開口とそれぞれ連通しかつ挿入用開口36を有する、操作部に設けたシリンダ35と、挿入用開口を通してシリンダに挿入しかつ一部が操作部の外側に位置する、シリンダに対して相対回転可能な回転切替部材37と、回転切替部材に形成した、回転切替部材の回転位置に応じて、シリンダ内において流体が第一流体用管路の端部開口と第二流体用管路の端部開口との間で流れるのを許容又は規制する連通切替路41、42、43と、を備える。【選択図】図7
