WIRE HEATED TUBE WITH TEMPERATURE CONTROL SYSTEM FOR HUMIDIFIER FOR RESPIRATORY APPARATUS

The present invention relates to a control system for a heated conduit for use in a respiratory apparatus. The control system comprises a power supply to provide power to the heated conduit. Additionally, it comprises a heating control circuit configured to control heating to obtain a predetermined...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VOS, Adrian Ashley, HUBY, Ronald James, TANG, Zhuo Ran
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 MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE MEDICAL OR VETERINARY SCIENCE PHYSICS TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	The present invention relates to a control system for a heated conduit for use in a respiratory apparatus. The control system comprises a power supply to provide power to the heated conduit. Additionally, it comprises a heating control circuit configured to control heating to obtain a predetermined temperature and a sensing circuit configured to indicate the temperature of a sensor positioned in the heated conduit as well as a bias generator circuit configured to provide a current to the sensor from a current source such that a voltage drop through the sensor may be recorded by the sensing circuit so that the temperature of the heated conduit is continuously monitored independent of whether the heating control circuit is on or off.