SINGLE FLOW AND PRESSURE ACTIVATED AAV

A patient interface includes a seal-forming structure, a shell, and an AAV. The shell and the seal-forming structure form at least a portion of a plenum chamber pressurizable to a therapeutic pressure. The shell includes a first port into the plenum chamber, the first port configured to allow air to...

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Bibliographische Detailangaben
1. Verfasser:	DANTANARAYANA, Muditha Pradeep
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	A patient interface includes a seal-forming structure, a shell, and an AAV. The shell and the seal-forming structure form at least a portion of a plenum chamber pressurizable to a therapeutic pressure. The shell includes a first port into the plenum chamber, the first port configured to allow air to flow between the plenum chamber and ambient. The shell includes a passageway including a second port into the plenum chamber, the passageway configured to communicate with a flow of air at positive pressure. The AAV is provided to the shell and configured to regulate flow through the first port and the second port to (1) provide a flow path for pressurized air when pressure in the plenum chamber is above a predetermined magnitude and (2) provide a breathable flow path when pressure in the plenum chamber is below the predetermined magnitude or not delivered.