| 摘要 |
PROBLEM TO BE SOLVED: To provide a stopper body for washing a treatment instrument insertion channel of an endoscope for facilitating washing of stains sticking to the periphery of a leak hole without scattering a washing liquid squirting from the leak hole in the periphery. SOLUTION: In the stopper body, a connecting band part 26 extending from a cylindrical part 21 attached to and detached from a treatment instrument insertion port part 7 and a lid-like part 27 formed on the other end side of the connecting band part 26 for covering an opening part of the leak hole 25, formed on a ceiling wall part 24 by penetrating, from the outside are integrally formed with the cylindrical part 21 by an elastic member, and a lid-like part fixing means 30, 23B for fixing and canceling to fix the state of the lid-like part 27 covering the opening part of the leak hole 25 from outside is provided by elastically deforming the connecting band part 26. COPYRIGHT: (C)2008,JPO&INPIT
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