Method and means for dispensing two respirating gases by effecting a known displacement
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United States of America Patent
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May 23, 1989
Issued Date -
N/A
app pub date -
Oct 13, 1987
filing date -
Oct 2, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for administering a mixture of oxygen and a second gas to a patient premeasures and temporarily stores single dose quantities of each gas and dispenses each dose in synchronization with the patient's respiratory cycle. A sensor produces a signal upon the onset of an inhalation and, in immediate response to the sensor signal, the dose quantities of each gas are simultaneously displaced into a common conduit for breathing by the patient.
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