Supreme LMA characteristic is
LMA Supreme is one of the most advanced laryngeal mask airway (LMA)It has features of usual LMA with additional Built-in drain tube and a bite blockIt has high volume/ low-pressure cuff which generates higher seal pressureIt also provides a conduit for active suctioning of stomachIt can be used in infants as well as in adults.(Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no. 317, 318)
Has no bite block
Used in infants
High pressure, low volume
Has built in drain tube
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