Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1988-08-17
1990-04-03
Burr, Edgar S.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820326, 137451, 261139, A61M 1104, A61M 1500
Patent
active
049131400
ABSTRACT:
A humidifier for humidifying gases flowing from a source to a person, e.g. a patient breathing apparatus, has a gas chamber interconnected with a water compartment and at least one float controlled valve which controls the flow of water into the water compartment so that if the level of water in the gas chamber exceeds a predetermined level, flow of water to the water compartment is prevented. A further float controlled valve may be provided to prevent flow of water from the water compartment to the gas chamber when the water level in the gas chamber exceeds the predetermined, or a further predetermined, level.
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Meyer Erwin J.
Orec Ilija
Asher Kimberly L.
Burr Edgar S.
Fisher & Paykel Limited
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