Patent ID: 9675772
Date: 2017-06-13
CPC Classifications: A61M

Claim:
1. An artificial airway device to facilitate lung ventilation of a patient, comprising an airway tube, a gastric drain tube and a mask at one end of the airway tube, the mask including a backplate and having a peripheral formation adapted to form a seal around the circumference of the laryngeal inlet when the device is in situ, the peripheral formation surrounding a hollow interior space in the form of a lumen of the mask and the airway tube opening into the lumen of the mask, wherein the mask includes an atrium for passage to the drain tube of gastric matter leaving the oesophagus when the device is in situ, wherein the atrium is defined by a wall of the backplate, wherein the wall comprises an outer skin and an inner skin, the outer skin comprising part of the gastric drain tube, the inner skin comprising a part of the airway tube.