Patent ID: 11865260
Assignee: RESMED PTY LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. The patient interface assembly of claim 1, wherein the nasal sealing portion is located superior to the stiffening structure,
wherein the stiffening structure forms a ring around the air inlet opening in the anterior surface of the elastomeric piece,
wherein a superior side of the stiffening structure is configured to be located between the patient's mouth and the patient's nose in use,
wherein the positioning and stabilizing structure of comprises a pair of lower straps configured to extend below the patient's ears, a pair of side straps located superior to the lower straps and configured to extend superior to the patient's ears, a pair of rear straps connecting the side straps to the lower straps, and a crown strap that extends from one rear strap to the other and is configured to extend across the patient's crown,
wherein the stiffening structure comprises a pair of connectors on opposite lateral sides of the central aperture,
wherein the connectors are configured to connect to the positioning and stabilizing structure,
wherein the lower straps are configured to be connected to the connectors of the stiffening structure, and
wherein the patient interface assembly is in the form of an oronasal mask.