Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1989-10-03
1991-04-09
Crowder, Clifford D.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820421, 12820424, A62B 1704, A62B 1800, A62B 700, A61M 1600
Patent
active
050055704
ABSTRACT:
A device for administering oxygen or other respirating gases to a patient premeters and temporarily stores single dose quantities of respirating gas and dispenses each dose in synchronization with the patient's inspiratory cycle. A sensor produces a signal upon the onset of each inhalation and those signals cause single doses of gas to be dispensed to the patient in unison with the patient's respiration cycle.
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Auerback et al, "A New Oxygen Cannula System Using Intermittent Demand Nasal Flow", 7/1/78, pp. 39-44.
Asher Kimberly L.
Crowder Clifford D.
Shubert Roland H.
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