PROBLEM TO BE SOLVED: To provide an apparatus for washing and disinfecting an endoscope, which can effectively inhibit foreign matter from being mixed into the endoscope, and a washing tube unit for use in the same.SOLUTION: An apparatus for washing and disinfecting an endoscope includes: a washing tube 23 for feeding a liquid into the endoscope a connector 21 (first connection part) for connecting the washing apparatus, which connects the apparatus for washing and disinfecting the endoscope and the washing tube 23 and a connector 22 (second connection part) for connecting the endoscope, which connects the endoscope and the washing tube 23 in a direct manner or via an attachment. Either the first connection part or the second connection part comprises a filter.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2018,JPO&INPIT【課題】内視鏡内への異物の混入を効果的に抑止することが可能な内視鏡洗浄消毒装置、及びこれに用いる洗浄チューブユニットの提供。【解決手段】内視鏡内への送液をするための洗浄チューブ23と、内視鏡洗浄消毒装置と洗浄チューブ23とを接続する洗浄装置接続用コネクタ21(第1接続部)と、内視鏡と洗浄チューブ23とを直接又はアタッチメントを介して接続する内視鏡接続用コネクタ22(第2接続部)と、を備え、第1接続部または第2接続部の何れかに、フィルターを備えさせる。【選択図】図4