PROBLEM TO BE SOLVED: To enhance convenience in use.SOLUTION: A respiratory assist device provided with a nasal respiration assisting part which supplies a gas to the nasal cavity of a living body, the nasal respiration assisting part comprising: a first gas supply part for supplying a gas to the lower side of one nostril of a living body； a second gas supply part for supplying the gas to the lower side of the other nostril of the living body； a first tube connection part which can connect a tube for supplying the gas to the first gas supply part； and a second tube connection part which can connect a tube for supplying the gas to the second gas supply part.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】使用時の利便性を向上する。【解決手段】生体の鼻腔にガスを供給する鼻呼吸補助部を備える呼吸補助具であり、鼻呼吸補助部が、生体の一方の鼻孔の下方にガスを供給する第１ガス供給部と、生体の他方の鼻孔の下方にガスを供給する第２ガス供給部と、第１ガス供給部にガスを供給するチューブを接続可能な第１チューブ接続部と、第２ガス供給部にガスを供給するチューブを接続可能な第２チューブ接続部と、を備える。【選択図】図２
