| 摘要 |
PURPOSE:To provide the endoscope which can guide correctly the tip part of a treating implement in a desired direction at the time of raising operation of the treating implement, even at the time of using the treating implement whose outside diameter is thinner than the prescribed outside diameter corresponding to the inside diameter of a treating implement insert-through channel. CONSTITUTION:A treating implement guide auxiliary implement 30 in which a guide hole 34 whose diameter is thinner than the inside diameter of a treating implement insert-through channel 10 is pierced in the same direction as the treating implement insert-through channel 10 and arranged in the inside of the tip part of the treating implement insert-through channel 10 without backlash for the most part is provided in the treating implement insert-through channel 10 so as to be freely insertable and detachable. |
