As for this invention, in the dilution vessel diluting the liquid medicine with the warm water, immediately before the treating it introduces the aforementioned warm water to cleaning inside the tank in the endoscope cleaning disinfection device which treats the endoscope in the cleaning tank making use of the dilution liquid medicine which can, after temperature of the warm water which is introduced into aforementioned cleaning inside the tank is inside the stipulated temperature range introducing the warm water to the dilution vessel, it generates the aforementioned dilution liquid medicine, introduces the aforementioned dilution liquid medicine to aforementioned cleaning inside the tank and it features that the endoscope is treated.本発明は、希釈槽において温水により薬液を希釈して得られる希釈薬液を用いて洗浄槽中で内視鏡を処理する内視鏡洗浄消毒装置において、処理直前に前記温水を洗浄槽内へ導入し、前記洗浄槽内に導入される温水の温度が規定温度範囲内となった後に温水を希釈槽へ導入して前記希釈薬液を生成し、前記希釈薬液を前記洗浄槽内へ導入して内視鏡を処理することを特徴とする。
