PROBLEM TO BE SOLVED: To efficiently wash the dirt of an endoscope, using ozone nanobubble water.SOLUTION: The endoscope washing device includes a washing section 3 that is arranged in a cylindrical gap 6 opened radially outward of an insertion part 2a of the endoscope, and a supplying section that supplies the ozone nanobubble water A to the gap 6, wherein the washing section 3 includes a flow restriction section 8 that flows the ozone nanobubble water A supplied by the supplying section while temporarily retaining it in the gap 6, and an ultrasonic oscillation section 9 that irradiates an ultrasonic wave to the ozone nanobubble water A retained in the gap 6 by the flow restriction section 8.COPYRIGHT: (C)2012,JPO&INPIT【課題】オゾンナノバブル水を利用して内視鏡の汚れを効率的に洗浄する。【解決手段】内視鏡の挿入部2aの半径方向外方に円筒状の隙間6をあけて配置される洗浄部3と、隙間6にオゾンナノバブル水Aを供給する供給部とを備え、洗浄部3が、供給部により供給されたオゾンナノバブル水Aを隙間6に一時的に貯留しつつ流動させる流動制限部8と、該流動制限部8により隙間6に貯留されたオゾンナノバブル水Aに対し超音波を照射する超音波発振部9とを備える内視鏡洗浄装置を提供する。【選択図】図2
