Patent ID: 8567404
Filing Date: 2013-10-29
Classification: A61M,A62B,Y10T

Abstract:
1. A cushion for a patient interface that delivers breathable gas to a patient, the cushion including nasal bridge, cheek and chin regions, the cushion defining, at least in part, a breathing cavity, the cushion comprising: a membrane including nasal bridge, cheek and chin regions forming a continuous sealing structure to form a continuous seal on nasal bridge, cheek, and chin regions of the patient's face, the membrane having an inner edge that defines a triangular-shaped aperture adapted to receive the patient's nose and mouth; and a support structure to support the membrane, the support structure including: 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 and 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 and 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: