The endoscope includes an elongated insertion portion in which first and second bending portions and a flexible tube portion are sequentially provided from the distal end side, and an elongated insertion portion provided inside the first and second bending portions , First and second tubular portions having first and second cutouts and a third tubular portion having a third notch provided inside the flexible tube portion, The first to third tubular portions are formed into a single tubular member, the first notch is formed by a first notch that is bendable in at least two directions, and the second tubular portion is formed by two directions A distal end portion of a coil pipe having a second notch formed in a different direction and through which a pulling wire is capable of advancing and retracting is fixed inside the second tubular portion.内視鏡は、先端側から第1及び第2の湾曲部と、可撓管部とが順次設けられた長尺の挿入部と、第1及び第2の湾曲部の内部にそれぞれ設けられた、第1及び第2の切欠部を備えた第1及び第2の管状部と、可撓管部の内部に設けられた第3の切欠部を備えた第3の管状部と、を備え、第1から第3の管状部を一本の管状部材に形成し、第1の切欠部は、少なくとも2方向に湾曲可能な第1の切欠により形成され、第2の管状部は、2方向と異なる方向に形成した第2の切欠を有し、更に第2の管状部の内側に牽引ワイヤが進退可能に挿通されたコイルパイプの先端部が固定されている。
