VENT ARRANGEMENT FOR RESPIRATORY MASK

• Main Authors: MAZZONE, Damien, Julian, DANTANARAYANA, Muditha, Pradeep, VANDYKE, James, William Charles, COHEN, Lance, Steven, SEARS, David, Brent, NAGORNY, Aleksandr, S, TANG, Zhuo, Ran, SAMPIETRO, Joe, HUBY, Ronald, James, MARTIN, Dion, Charles, Chewe, FOOTE, Roger, Mervyn Lloyd, FARRUGIA, Steven, Paul, ARMITSTEAD, Jeffrey, Peter, FORMICA, Justin, John
• Format: Patent
• Language: English; French; German
• Published: 23.05.2018
• Subjects: 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

The present invention relates to an apparatus for automated control of gas washout of a patient interface of a respiratory treatment apparatus comprising: a vent assembly having a variable exhaust area defined by one or more apertures of the vent assembly, the vent assembly being associated with a patient interface to vent expiratory gas. The apparatus additionally comprises an actuator to manipulate said one or more apertures of the vent assembly and a controller including a processor, the controller coupled with the actuator, the controller configured to operate the actuator to change the exhaust area of the vent assembly. The controller is configured to switch between a treatment setting for the variable exhaust area and a comfort setting for the variable exhaust area. The comfort setting further includes one or more of a humidity setting, a pressure setting and a temperature setting