Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1990-12-21
1994-06-14
Burr, Edgar S.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820418, 12820423, 128914, A61M 1500
Patent
active
053200934
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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Brigham and Women's Hospital
Burr Edgar S.
Lewis Aaron J.
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