| 摘要 |
A water-tight endoscope comprising a flexible tube zone, a handle zone and a guide tube zone is disclosed. Each of the flexible tube zone, the handle zone and the guide tube zone has a water-tight structure, and moreover, a connecting part for each zone has a water-tight structure. An opening for connecting the interior of the endoscope to the outer air is formed in the guide tube zone and a waterproof and breathable filter is arranged in this opening. By this arrangement, the interior of the endoscope is connected to the outer air through the waterproof and breathable filter.
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