| 摘要 |
Combination of an endoscope and a sheath for covering an inserting tube of the endoscope, the sheath includes an elastic tubular member having an open proximal end and a closed distal end, and the endoscope is provided with an air feeding tube for feeding air from a distal end of the inserting tube to inflate the tubular member when the inserting tube is inserted into the tubular member to be covered therewith.
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