发明申请
US20090056715A1 DELIVERY TUBE FOR BREATHING GAS HEATING AND HUMIDIFICATION SYSTEM 有权
输送管用于呼吸加热和湿度系统

DELIVERY TUBE FOR BREATHING GAS HEATING AND HUMIDIFICATION SYSTEM
摘要:
A delivery tube assembly for delivering a breathing gas to a patient, the delivery tube includes a first lumen having an upstream portion and a downstream portion. The lumen is configured to deliver the breathing gas from the upstream portion to the downstream portion. A second lumen is configured to flow an insulating gas around the first lumen. A method of insulating a breathing gas with an insulating gas and discharging the insulating gas to atmosphere is also disclosed.
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