PROBLEM TO BE SOLVED: To provide an endoscope cleaning/disinfecting device capable of improving washing properties within an endoscope conduit using a gas-liquid two phase fluid.SOLUTION: The endoscope cleaning/disinfecting device includes an endoscope connection section, a gas feeding conduit, a first gas feeding connection section, a first valve, a connection conduit, a second valve 65, a second gas feeding section connection section, a second valve, and a controller that can simultaneously control opening/closing of the first valve and the second valve.SELECTED DRAWING: Figure 1【課題】気液２相流体を用いた内視鏡管路内の洗浄性を向上させることができる構成を具備する内視鏡洗浄消毒装置を提供する。【解決手段】内視鏡接続部と、送気管路と、第１送気接続部と、第１の弁と、接続管路と、第２の弁６５と、第２送気部接続部と、第２の弁と、第１の弁及び第２の弁の開閉制御を同時に行うことが可能な制御部と、を具備する。【選択図】図１
