Patent ID: 11931511
Assignee: RESMED PTY LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A patient interface comprising:
a plenum chamber pressurisable to a therapeutic pressure of at least 6 cmH2O above ambient air pressure, the plenum chamber including a plenum chamber inlet port sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient, wherein the plenum chamber includes a mounting surface, and wherein the mounting surface is substantially flat;
a seal-forming structure constructed and arranged to form a seal with a region of the patient's face surrounding an entrance to the patient's airways for sealed delivery of a flow of pressurized air at the therapeutic pressure of at least 6 cmH2O above ambient air pressure throughout the patient's respiratory cycle in use, the seal-forming structure comprises:
a first section constructed from a first material, the first section configured to sealingly engage against a first region of the patient's face, and
a second section constructed from a second material different than the first material, the second section configured to sealingly engage against a second region of the patient's face, wherein the second material is foam, and wherein the second section of the seal-forming structure is coupled to the mounting surface,

a positioning and stabilising structure to provide a force to hold a seal-forming structure in a therapeutically effective position on a patient's head, and
wherein the first section and the plenum chamber are integrally formed as a one-piece construction during a molding process.