| 摘要 |
An endoscope of the present invention includes an inserting portion having a mesh tube formed of at least two metal wires in the shape of a mesh, wound with an angle so that the metal wires are not disposed in the direction orthogonal to or parallel to the longitudinal direction of the inserting portion, and a contraction member for generating the force causing contraction of the inserting portion in the longitudinal direction thereof generally with the same magnitude as the extension force of the inserting portion in the longitudinal direction thereof generated due to the pressure difference between the inside and the outside of the endoscope.
|
