The invention relates to an artificial airway device 1 to facilitate lung ventilation of a patient, comprising an airway tube 2, a gastric drain tube 3 and a mask 4 at one end of the airway tube 2, the mask 4 including a backplate 5 and having a peripheral formation 6 capable of forming a seal around the circumference of the laryngeal inlet, the peripheral formation 6 surrounding a hollow interior space 7 or lumen of the mask 4 and the airway tube 2 opening into the lumen of the mask, wherein the mask includes an atrium 8 for passage to the gastric drain tube 3 of gastric matter leaving the oesophagus.本發明係有關於一種人工氣道裝置1,用於幫助一病患之肺呼吸。人工氣道裝置1包括一氣道管2、一胃排空管3及一遮罩4,遮罩4位於氣道管之一端,遮罩4包括一背板5及具有一周邊構成物6,周邊構成物6係可繞著一喉入口之圓周形成一密封層,周邊構成物6圍繞遮罩4之一中空內部空間7或一內腔7,氣道管2開放進入遮罩4之內腔7,其中,遮罩4包括一心房8,心房8做為使胃物質離開食道至胃排空管3之通道。