Birth of The Laryngeal Mask Concept
Dr Archie Brain began studying the anatomy and physiology of the Upper Airway in relation to existing airways. Dr Brain concluded that current techniques for connecting artificial airways to the patient were not ideal, reasoning that if the respiratory tree is seen as a tube ending at the glottis and the objective is to connect this tube to an artificial airway, the most logical solution was to create a direct end-to-end junction. Existing airway devices clearly failed to form this junction; the face-mask sealed against the face, and the ETT penetrated too far so that the junction was created within the trachea, instead of at its beginning. Dr Brain wrote in his diary in May 1981, "Better, use a loop fitting into the anatomical loop of space surrounding the larynx, with a projection downwards into the oesophagus, which could be hollow, to drain regurgitant fluid.“
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