Vent arrangement for respiratory mask
An apparatus for control of gas washout of a patient interface of a respiratory treatment apparatus comprising: a vent assembly having a variable size exhaust opening (3203) defined by a plurality of overlapping blades (3204-1, 3204-2, 3204-3, 3204-4, 3204-5, 3204-6, 3204-7, 3204-8) of the assembly;...
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| creator | Martin Dion Charles Chewe Sampietro Joseph M Huby Ronald James Cohen Lance Steven Dantanarayana Muditha Pradeep Vandyke James William Charles Farrugia Steven Paul Tang Zhuo Ran Nagorny Aleksandr S Foote Roger Mervyn Lloyd Sears David Brent Mazzone Damien Julian Armitstead Jeffrey Peter Formica Justin John |
| description | An apparatus for control of gas washout of a patient interface of a respiratory treatment apparatus comprising: a vent assembly having a variable size exhaust opening (3203) defined by a plurality of overlapping blades (3204-1, 3204-2, 3204-3, 3204-4, 3204-5, 3204-6, 3204-7, 3204-8) of the assembly; and an actuator (iris drive lever 3210) to manipulate the size of the exhaust opening of the vent assembly for vent-to-ambient flow, the actuator being coupled with the blades. |
| format | Patent |
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Sampietro Joseph M ; Huby Ronald James ; Cohen Lance Steven ; Dantanarayana Muditha Pradeep ; Vandyke James William Charles ; Farrugia Steven Paul ; Tang Zhuo Ran ; Nagorny Aleksandr S ; Foote Roger Mervyn Lloyd ; Sears David Brent ; Mazzone Damien Julian ; Armitstead Jeffrey Peter ; Formica Justin John</creatorcontrib><description>An apparatus for control of gas washout of a patient interface of a respiratory treatment apparatus comprising: a vent assembly having a variable size exhaust opening (3203) defined by a plurality of overlapping blades (3204-1, 3204-2, 3204-3, 3204-4, 3204-5, 3204-6, 3204-7, 3204-8) of the assembly; and an actuator (iris drive lever 3210) to manipulate the size of the exhaust opening of the vent assembly for vent-to-ambient flow, the actuator being coupled with the blades.</description><language>eng</language><subject>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 ; 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| 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 |
| title | Vent arrangement for respiratory mask |
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