PROBLEM TO BE SOLVED: To shorten a washing time including a scalding process of a washing device that performs the scalding process after a washing process.SOLUTION: This washing device 10 includes: a washing tub 20 that stores an object to be washed and has a water storage part 21 in the lower part for storing wash water a water supply pipe 28 and a hot-water pipe 29 as wash water supply means that supply the water storage part 21 with the wash water consisting of water and hot water fed from a water supply source and a hot water supply source washing nozzles 24 and 25 for jetting the wash water in the water storage part 21 to a medical instrument stored in the washing tub 20 a washing pump 27 for sending the wash water in the water storage part 21 to the washing nozzles 24 and 25 and a hot water supply device 40 located outside the washing tub 20. After the respective washing processes, the hot water fed from the hot water supply device 40 to the water storage part 21 is jetted from the washing nozzles 24 and 25 to the object to be washed and sterilizes it.COPYRIGHT: (C)2013,JPO&INPIT【課題】洗浄処理後に熱湯消毒処理をする洗浄装置の熱湯消毒処理を含めた洗浄時間を短くする。【解決手段】洗浄装置10は、被洗浄物を収容して下部に洗浄水を貯える貯水部21を有する洗浄槽20と、貯水部21に給水源及び給湯源から送出される水及び湯よりなる洗浄水を供給するための洗浄水供給手段として給水管28と給湯管29と、洗浄槽20内に収容した医療用器具に貯水部21の洗浄水を噴射する洗浄ノズル24、25と、貯水部21の洗浄水を洗浄ノズル24、25に送出する洗浄ポンプ27と、洗浄槽20外に熱湯供給装置40とを備え、各洗浄工程後に熱湯供給装置40から貯水部21に供給された熱湯を洗浄ノズル24、25から被洗浄物に噴射して消毒するようにした。【選択図】図1