Humidifier system for artificial respiration

Details Humidifier system for artificial respiration Humidifier system for artificial respiration

2004-12-15

2008-09-30

Yu, Justine R (Department: 3771)

Surgery

Respiratory method or device

Means for heating respiratory gas or respiration device

C128S201130, C128S204130, C128S205270, C128S200240, C128S204180, C128S205280, C165S119000

Reexamination Certificate

active

07428902

ABSTRACT:
A humidifier system for heating and humidifying respiratory gases has a housing with an inner chamber, a first port at the first end for connection to a ventilator breathing circuit and a second port at the second end for connection to a patient to supply respiratory gases to the patient and to receive exhaled gases from the patient. A body of heat moisture exchange (HME) material is located within the chamber, and a water permeable device is also located within the chamber. The housing has a water refill inlet communicating with the water permeable device. A water supply outside the housing is connected to the water refill inlet to supply water to the water permeable device. A heater mounted outside the housing supplies heat to the housing and maintains the housing at a selected temperature.

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