Patent ID: 8578935
Filing Date: 2013-11-12
Classification: A61M,A62B,Y10T

Abstract:
1. A mask assembly for delivering breathable gas to a patient, the assembly comprising: a frame; and a full-face cushion connected to the frame and including a nasal bridge region, a pair of cheek regions and a chin region, the cushion defining, at least in part, a breathing cavity, the cushion comprising: wherein the membrane extends from the support structure and terminates at the inner edge of the membrane, wherein the pair of underlying cushions extends in the nasal bridge region and the pair of cheek regions of the cushion such that the membrane and the pair of underlying cushions form at least a double-walled construction in the nasal bridge region and the pair of cheek regions of the cushion, wherein: wherein a first portion of the support structure extends laterally beyond a second exterior portion of the cushion, and wherein: the first portion of the support structure is configured to resiliently move back into the initial position when the frame force is no longer exerted on the cushion.