Cushion for ventilation interface

摘要

In accordance with at least one exemplary embodiment, a cushion for a ventilation interface is disclosed. A ventilation mask can include a mask body adapted to matingly engage with the cushion. The cushion can be a double-membrane cushion having an outer sealing membrane and an inner membrane, both of which can extend from a frame. The outer sealing membrane can have a face-contacting portion. The inner membrane can be outwardly oriented from the frame.

主权项

1. A ventilation interface comprising:
a cushion; the cushion including:
a central passageway;a frame having an upper portion with an inner surface and an outer surface, wherein the span from the inner surface to the outer surface defines a first direction;an outer sealing membrane; andan inner membrane, wherein the outer sealing membrane has a first terminating end that extends towards the central passageway, wherein the inner membrane has a second terminating end that extends away from the central passagewaywherein at least one of the outer sealing membrane and the inner membrane extends from the upper portion of the frame, and the second terminating end of the inner membrane extends beyond the outer surface of the upper portion of the frame in the first direction.