| 摘要 |
An endoscope includes: a long insertion portion sequentially provided with first and second bending portions and a flexible tube portion, from a distal end side; first and second tubular portions including first and second notch portions provided inside of the first and second bending portions, respectively; and a third tubular portion including a third notch portion provided inside of the flexible tube portion, wherein the first to third tubular portions are formed in one tubular member, the first notch portion is formed by first notches bendable in at least two directions, the second tubular portion includes second notches formed in a direction different from the two directions, and distal end portions of coil pipes into which pulling wires are inserted to be able to freely advance and retract are fixed to inside of the second tubular portion. |
