Vital signs monitor
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United States of America Patent
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-
Oct 18, 1994
Issued Date -
N/A
app pub date -
Sep 13, 1993
filing date -
Apr 6, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vital signs monitor comprising a first device capable of being disposed at a selected location on a patient to pass at least exhaled gases therethrough; a second device coupled to the first device to perform a plurality of resistive measurements of certain predetermined parameters of the exhaled gases and a plurality of optical absorption measurements of other predetermined parameters of the exhaled gases; and a third device coupled to the second device responsive to the plurality of resistive measurements and the plurality of optical absorption measurements to provide individual read outs of at least a value of carbon dioxide in the exhaled gases, a value of tidal volume of the exhaled gases and a value of a respiration rate of the patient.
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