Patent ID: 8297283

Claim:
A cushion for a respiratory mask assembly comprising a frame-connecting portion, a face-contacting portion, and a gusset portion disposed between and joining said frame-connecting and face-contacting portions, wherein the gusset portion includes at least one perimetrical region which includes a laterally projecting exterior gusset section, a connecting gusset section, and a laterally projecting interior gusset section, the exterior gusset section extending generally laterally outwardly from the frame-portion in a direction away from a mask interior and terminating at an exterior tip section, the connecting gusset section extending from the exterior tip section generally inwardly in a direction towards the mask interior and terminating at an interior tip section, and the interior gusset section extending generally laterally outwardly from the interior tip section in a direction away from the mask interior and terminating at a base of the face-contacting portion; wherein the base of the face-contacting portion does not extend laterally past the exterior tip section.