The invention relates to an artificial airway device 1 to facilitate lung ventilation of a patient, comprising an airway tube 2 and a mask 3 carried at one end of the airway tube, the mask 3 having a distal end 4 and a proximal end 5 and a peripheral formation 6 capable of conforming to, and of fitting within, the actual and potential space behind the larynx of the patient so as to form a seal around the circumference of the laryngeal inlet, the peripheral formation 6 surrounding a hollow interior space or lumen 7 of the mask 3 and the airway tube 2 opening into the lumen 7 of mask, the mask having a conduit 8 for receiving, in use, oesophageal matter, an outer, in use, surface of the peripheral formation 6 defining a channel 10 for use in facilitating drainage of oesophageal matter.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包括至少一氣道管2及一遮罩3，遮罩3係由氣道管之一端所支撐，遮罩3具有一遠端4、一近端5及一周邊構成物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3之一中空內部空間或一內腔7，至少一氣道管2開放進入遮罩3之內腔7，遮罩3具有一導管8，於使用時利用遮罩3之導管8接收食道物質，其特徵在於：周邊構成物6之外表面於使用時定義一通道10以幫助引流食道物質。
