Respiration humidifier

Details Respiration humidifier Respiration humidifier

1998-08-06

2000-08-15

Weiss, John G.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820417, 12820113, 12820327, 12820316, A61M 1600

Patent

active

061020370

ABSTRACT:
A respiration humidifier has a metering device (3, 10) and an electrically heated evaporator (4), which is in connection with or can be connected to the metering device (3, 10) on its inlet side (E) and with a respiratory gas channel (5), through which respiratory gas can flow, on its outlet side (A). The metering device (3, 10) feeds the amount of water necessary for humidifying the respiratory gas to a predetermined relative humidity of the respiratory gas at a predetermined respiratory gas temperature to the evaporator (4) per unit of time as a function of the amount of respiratory gas flowing through per unit of time. The evaporator (4) provides water vapor with a temperature above 134.degree. C., which heats the respiratory gas to the predetermined respiratory gas temperature on mixing with the respiratory gas to be humidified.

REFERENCES:
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patent: 4829998 (1989-05-01), Jackson
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patent: 5243973 (1993-09-01), Falb et al.
patent: 5390665 (1995-02-01), Leach
patent: 5769071 (1998-06-01), Turnbull
Penlon Limited Aug. 1981 Penlon Humidifier Instruction and Maintenance Manual Penlon Manual.

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