PROBLEM TO BE SOLVED: To provide an airway adaptor, biological information acquiring system, and oxygen mask which enable correct respiration information to be reliably measured.SOLUTION: An airway adaptor 10 includes: a gas passage into which a respiratory gas of a subject is to flow a nasal cannula 30 which is configured to guide the respiratory gas expired from the nostrils of the subject, to the gas passage a mouth guide 40 which is configured to guide the respiratory gas expired from the mouth of the subject, to the gas passage and an airway case 20 on which a temperature sensor that is configured to detect a temperature change of the respiratory gas having flowed into the gas passage is mountable.COPYRIGHT: (C)2014,JPO&INPIT【課題】正確な呼吸情報を確実に測定することができるエアウェイアダプタ、生体情報取得システムおよび酸素マスクを提供する。【解決手段】エアウェイアダプタ10は、被検者の呼吸気が流入する通気路と、被検者の鼻孔からの呼吸気を通気路に導くネーザルカニューラ30と、被検者の口からの呼吸気を通気路に導くマウスガイド40と、通気路に流入した呼吸気の温度変化を検出する温度センサが装着可能なエアウェイケース20と、を備える。【選択図】図1
