Even If the [problem] endoscope insertion portion outer surface and the inner surface of the infection prevention sheath is stuck, it is not fixed by sending the air or water, to provide infection prevention sheath that easily becomes possible removal. In An infection prevention sheath 2 which covers the insertion portion 16 of the medical endoscope, a thin tube 21 with a flexible, tip sealing member 22 to close the tube tip lumen, endoscopic It consists opening 23 for inserting a mirror insertion portion 16, and a gas supply and water supply port 24 leading to the inner surface of the thin tube 21 between the opening 23 from the distal end sealing member 22.FIELD 1【課題】内視鏡挿入部の外面と感染防止シースの内面が固着した場合でも、空気または水を送ることで固着が無くなり、容易に抜去可能となる感染防止シースを提供する。【解決手段】医療用内視鏡の挿入部16を覆う感染防止シース2において、可とう性のある薄肉チューブ21と、そのチューブ先端内腔を閉じる先端封止部材22、内視鏡挿入部16を入れる為の開口部23からなり、先端封止部材22から開口部23の間に薄肉チューブ21の内面に通じる送気・送水ポート24を有している。【選択図】図1
