ENDOSCOPIC TREATMENT TOOL

To enhance convenience.SOLUTION: An endoscopic treatment tool 6 comprises a sheath 9 comprising a first hole 922 in a tip part, and an incision part 11 inserted into the first hole 922 so as to freely advance and retreat, and comprising a second hole 120 extending between a tip and a base end, and is constituted so as to be capable of switching between a first mode in which fluid is passed by establishing communication between a main flow passage M1 and the first hole 922, and a second mode in which the fluid is passed by establishing communication between the main flow passage M1 and the second hole 120, in accordance with the advance and retreat of the incision part 11.SELECTED DRAWING: Figure 2 【課題】利便性を向上させること。【解決手段】内視鏡用処置具６は、先端部に第１の孔９２２を有するシース９と、第１の孔９２２に進退自在に挿通され、先端と基端との間で延びる第２の孔１２０を有する切開部１１と、を備え、切開部１１の進退に応じて、主流路Ｍ１と第１の孔９２２とが連通することで流体を流通させる第１のモードと、主流路Ｍ１と第２の孔１２０とが連通することで流体を流通させる第２のモードとを切替可能に構成されている。【選択図】図２