CUSHION FOR PATIENT INTERFACE

摘要

A cushion for a patient interface that delivers breathable gas to a patient includes a base wall structured to be connected to a frame, an underlying support cushion extending away from the base wall towards the patient's face in use, and a membrane provided to substantially cover at least a portion of the underlying cushion. The membrane is adapted to form a continuous seal on the patient's face. The underlying cushion has a spring-like connection with the base wall. The underlying cushion and/or base wall define a spring constant that varies along a length of the seal.

主权项

1. A cushion for a patient interface that delivers breathable gas to a patient, the cushion comprising:
a base wall structured to be connected to a frame; an underlying support cushion extending away from the base wall towards the patient's face in use; and a membrane provided to substantially cover at least a portion of the underlying cushion, the membrane including nasal bridge, cheek, and chin regions adapted to form a continuous seal on nasal bridge, cheek, and chin regions of the patient's face, respectively, the nasal bridge and adjacent two cheek regions defining an intersection, wherein the membrane in the nasal bridge region has a height at the intersection that is greater than a height in an adjacent portion of the cheek region.