Laryngeal mask airways and their manufacture

摘要

A laryngeal mask has a mount 15 at its patient end of elliptical shape supporting an inflatable cuff 30. The cuff 30 is a hollow extruded tube with an integral attachment flange 32 and has opposite ends receiving two spigots 35 on the mount 15. The attachment flange 32 is attached to the mount 15 by means of a projecting tooth 33, which locates in a channel 23 around the mount.