Problem to be solved: to provide a washing device in which a gas jet is alternately mixed into a fluid jet and pulsation is generated, the cleaning efficiency is improved, and the portability and the cost can be reduced.Solution: a pressurizing device 16 for internal gas is provided in a closed container 13 capable of replenishing liquid.In a closed containerA liquid suction pipe 17 having a suction opening 21 of pressurized air which is not blocked by the liquid surface is provided.At the discharge end of this liquid suction pipeA discharge pipe 20 having an injection switching valve 19 is connected to the discharge pipeThe gas liquid pulse current effect is obtained by the pressure gas in the closed vessel.Cleaning of the oral cavity is performed by the action of the jet opening / closing valve.Diagram【課題】簡単な構成により、流体ジェットに気泡を交互に混入させて脈動を生じさせ、洗浄効率の向上を図るとともに、携帯性と低コスト化が図れる洗浄器を提供する。【解決手段】液体を補給可能とした密閉容器１３に内部気体の加圧装置１６を設けるとともに、密閉容器内に、液面により閉塞されることのない加圧空気の吸い込み口２１を有する液体吸い込みパイプ１７を設け、この液体吸い込みパイプの吐出端に、噴射開閉弁１９を備えた吐出パイプ２０を接続する構成とし、密閉容器内の畜圧気体により気液パルス流効果を得て、噴射開閉弁の作用により口腔内などの洗浄を行う。【選択図】図１
