Patent ID: 11957842
Assignee: RESMED PTY LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 19:
20. A patient interface for delivering pressurized breathable gas to a patient, the patient interface comprising:
a sealing portion with an elastomeric sealing surface, the sealing portion including a nose tip engagement portion adapted to form a seal with an underside of the patient's nose tip, an upper lip engagement portion adapted to form a seal with the patient's upper lip and/or base of the patient's nares, and nostril engagement flaps adapted to form a seal with the patient's nares; and
a supporting portion that supports and is more rigid than the sealing portion, the sealing portion being integrally formed with the supporting portion, the supporting portion terminating at a connection end configured to connect to a connector for an air delivery tube, the connection end having a radially inwardly extending flange configured to retain the connector for the air delivery tube,
wherein the elastomeric sealing surface at each of the nostril engagement flaps is thicker than the elastomeric sealing surface at the nose tip engagement portion and at the upper lip engagement portion, and
wherein the sealing portion and the supporting portion together form at least part of a plenum configured to receive the pressurized breathable gas.