Rapid anesthesia emergence system using closed-loop PCO.sub.2 control
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United States of America Patent
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-
Jun 14, 1994
Grant Date -
N/A
app pub date -
Dec 21, 1990
filing date -
Dec 21, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system is disclosed for rapidly restoring ventilatory drive to an anesthetized patient after surgery. The end-expired carbon dioxide partial pressure is used as feedback to determine the amount of CO.sub.2 to be added to the inspired breathing mixture of the patient's breathing circuit. The CO.sub.2 added to the patient's breathing circuit increases CO.sub.2 within the blood stream to a level sufficient to stimulate the central ventilatory center in the brain, thereby rapidly restoring ventilatory drive to the patient.
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