US 2022/0031989 A1 · FRAME AND HEADGEAR FOR RESPIRATORY MASK SYSTEM

Abstract

A respiratory mask system is provided. The respiratory mask system has a patient interface that is secured to a user's head by a headgear. The patient interface comprises a seal, a frame and a gas delivery conduit. The frame is configured to secure the seal and gas delivery conduit together. The frame comprises a recessed channel and/or headgear retaining features configured to connect the headgear to the patient interface. The frame can include an inlet collar that connects to a gas delivery conduit. The inlet collar can include bias flow holes. The headgear comprises a top strap, a pair of side arms, a yoke and a rear strap. The yoke is configured to connect to the recessed channel of the frame. The top strap, side arms and yoke form an integrally formed closed loop. The top strap can include two portions adjustably connected to each other.

Claims28

Dependent claims

A respiratory mask assembly comprising:

a frame comprising a body comprising an inlet end defining an inlet aperture and an outlet end defining an outlet aperture, a frame flow path extending through the body from the inlet aperture to the outlet aperture;
a cushion module configured to be coupled to the outlet end of the frame and comprising a seal configured to seal on a user in use;
and
a conduit connector configured to connect a respiratory conduit to the inlet end of the frame, the conduit connector comprising:
a gas inlet opening;
a gas outlet opening;
a connector flow path extending through the conduit connector from the gas inlet opening to the gas outlet opening;
and
a gripping formation configured to be gripped by a user in use to separate the cushion module from the frame.

6 more elements

Dependencies are inferred from the claim text.

Frame and headgear for respiratory mask system

Life of this patent

Frame and headgear for respiratory mask system

Life of this patent

Abstract

Claims28