the author had, centred on the method of delivering oxygen to the patient whilst under anaesthetic, and the subsequent after care of patients who experienced sore and uncomfortable throats caused by their treatment.
The author observed two different methods used, the first, used a facemask. This cups the mouth and nose and is held or secured using elasticised bands, whilst the second, used a laryngeal mask. This consists of three components, an airway tube, mask and mask inflation line. The airway tube is of larger bore with a male adapter at one end and a shaped cuff at the other. This cuff is designed to conform to the contours of the hypopharanynx with its lumen facing the laryngeal opening. It is then inflated to form a low-pressure seal around the laryngeal inlet.
The author was involved assisting the recovery team nurses, and observation of both delivery methods was possible. The patients who received oxygen through a facemask displayed less discomfort than those who had used a laryngeal airwa
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