Patent ID: 7556043

Claim:
A patient interface comprising: an elastomeric member comprising an elastomeric flange configured to surround a nose of a patient, the flange configured to substantially support the patient interface on the face of the patient; a partition that is elastomeric and integral with the member, the partition separating an interior of the member into (i) a first chamber that is formed by the partition and the flange, and that is configured to receive the nose of the patient and (ii) a second chamber that is formed by the partition and the flange; a pair of nasal pillows integral with the partition and projecting therefrom into the first chamber for at least partial insertion into nostrils of the patient when the patient interface is mounted operatively on the face of the patient, wherein the nasal pillows communicate the second chamber with the nostrils of the patient; and a port integral with the member in fluid communication with the second chamber for delivery of gas to and from the patient via the second chamber and the nasal pillows.