Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1990-01-12
1991-06-11
Crowder, Clifford D.
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
12820617, A62B 1900, A61M 1604
Patent
active
050223941
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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Laboratory Evaluation of Moisture Output of Seven Airway Heat and Moisture Exchangers by Richard D. Branson and James Hurst Respiratory Care, Sep. 87, vol. 32, No. 9, pp. 741-747.
Technical Bulletin by Pall Bio-Medical Inc. relating to a heat and moisture exchanger for general adult anesthesia.
Asher Kimberly L.
Crowder Clifford D.
HomeCare of Dearborn
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