Ventilation apparatus and mask

There is provided an apparatus (1) for preparing a ventilation gas mixture that comprises a gas mixing device (3), a first gas feed (2) arranged to supply a first gas to the gas mixing device, an air inlet configured to receive exhaled air from a person, a gas reservoir (4') arranged to store c...

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Bibliographische Detailangaben
Hauptverfasser:	WAKEFORD, Tim, BOYLE, Rob, STUDER, Marc, JANSEN, Gunnar
Format:	Patent
Sprache:	eng
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:	There is provided an apparatus (1) for preparing a ventilation gas mixture that comprises a gas mixing device (3), a first gas feed (2) arranged to supply a first gas to the gas mixing device, an air inlet configured to receive exhaled air from a person, a gas reservoir (4') arranged to store carbon dioxide from the air received in the air inlet and further arranged to supply the stored carbon dioxide to the gas mixing device via a second gas feed (2'), wherein the gas mixing device is arranged to combine the first gas with the carbon dioxide in order to prepare the ventilation gas mixture.