Patent ID: 9480806
Filing Date: 2016-11-01
CPC Classification: A61M

Claim Text:
1. A laryngeal mask airway device to facilitate lung ventilation in a patient, comprising an airway tube extending from a proximal end to a distal end and opening, at the distal end, into the interior of a hollow mask portion shaped to fit readily in use into the actual and potential space behind the larynx and to seal around the circumference of the laryngeal inlet without penetrating into the interior of the larynx, said mask portion comprising a backplate and an inflatable tubular peripheral cuff, wherein the device comprises a conduit at least partially attached to the airway tube and adapted to direct a liquid substance through a glottic opening, wherein the conduit ends with an opening in the hollow outlet portion of the mask portion, and wherein the conduit has an opening adapted to direct the liquid substance through the glottic opening, without the liquid substance contacting the patient's vocal cords.