An artificial airway device 1 to facilitate lung ventilation of a patient, comprising an airway tube 2 including an airway lumen 3, a mask 4 at one end of the airway tube, the mask 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 surrounding a hollow interior space or lumen 7 of the mask and the airway lumen 3 opening into the lumen of the mask, wherein the airway tube 2 comprises an outer tube part 201 and an inner core 202, the inner core 202 defining partly or completely the airway lumen.