Patent ID: 8347886

Claim:
A patient interface comprising: (a) a seal member adapted to contact a face of a user to provide a sealed interface with such a user, wherein the seal member comprises: (1) an oral cushion portion adapted to provide a sealed interface with such a user, wherein a sealing area of the oral cushion portion surrounds at least a portion a mouth of such a user, and wherein a first opening is defined in the oral cushion portion, the first opening being generally disposed in a first plane, (2) a nasal interface portion adapted to provide a sealed interface with such a user, wherein a sealing area of the oral cushion portion surrounds at least a portion of a nares of such a user, wherein a second opening is defined in the nasal interface portion, the second opening being generally disposed in a second plane, and wherein the first plan and the second plane are disposed at an angle with respect to one another, and (3) a web of material disposed between the first opening and the second opening; and (b) a faceplate, wherein the seal member is operatively attached to the faceplate, wherein the faceplate and the seal member define a chamber, and wherein the first opening and the second opening provide access to the chamber.