PROBLEM TO BE SOLVED: To provide an endoscope configured to place a stent in a narrowed part in a subject under observation.SOLUTION: The endoscope comprises: an insertion section including a channel 30 along a longitudinal axis N a distal projection part 11t projecting in a first direction F that forms an acute angle θ1 between itself and the longitudinal axis N at a distal end 11 of the insertion section, and including an observation window at a distal surface 11ts and a distal portion 31 of a channel 30 having an opening end 31s that is opened rearward the distal surface 11ts of the distal projection part 11t and formed to orient a second direction S that forms an acute angle θ2 between itself and the longitudinal axis N.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】観察下において被検体内の狭搾部にステントを留置できる構成を具備する内視鏡を提供する。【解決手段】長手軸Nに沿ってチャンネル30が設けられた挿入部と、挿入部の先端部11において、長手軸Nと鋭角θ1を為す第1の方向Fに突設されるとともに、先端面11tsに観察窓が設けられた先端突起部11tと、先端突起部11tの先端面11tsよりも後方において開口する開口端31sを有し、長手軸Nと鋭角θ2を為す第2の方向Sを指向するよう形成されたチャンネル30の先端側部位31と、を具備する。【選択図】図3
