Heat and moisture exchanger device for tracheostomy patients
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United States of America Patent
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-
Jun 11, 1991
Issued Date -
N/A
app pub date -
Jan 12, 1990
filing date -
Oct 11, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat and moisturizing exchanger device for use by patients having permanent tracheostomies when inspiring gases directly from the atmosphere. The device has a collar adapted to be sealingly secured to the neck of a patient with a tracheal opening and having an aperture adapted to receive a replacable heat and moisture exchanger cartridge. The cartridge contains a roll of hygroscopically treated material which collects heat and moisture from expired gas to warm and humidify the gas subsequently inspired by the patient. A nipple is provided for connetion to an auxiliary source of oxygen.
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Family
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