*7.3.1.1 Introduction*

The Proseal LMA™ (Teleflex®, USA) designed by Dr. Archie Brain, is based on the cLMA. It was introduced in the year 2001. In comparison to the cLMA, it has a

larger and deeper bowl without aperture bars, second drainage tube placed lateral to the airway tube that ends at the tip of the mask, posterior extension of the mask cuff, integral silicone bite block, and an anterior pocket for seating an introducer or finger during insertion.
