The cuff used in Endotracheal tube is following
Low pressure - high volume type cuffs have a comparatively large volumes and consequently large contact areas between cuff and trachea. Advantage of high volume, low pressure cuff is lesser incidence of tracheal mucosal damage. Disadvantages of high volume, low pressure cuff include: Sore throat (due to larger mucosal contact area) Aspiration Spontaneous extubation Difficulty in inseion (because of the floppy cuff)
Low pressure - high volume
High pressure - low volume
Variable pressure - low volume
Low pressure - low volume
Airway