Method and apparatus for providing ventilatory support to a patient
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United States of America Patent
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Oct 1, 2002
Grant Date -
N/A
app pub date -
Dec 11, 1997
filing date -
Dec 12, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A ventilatory support system which controls the flow of breathing gas to a patient based on the physiological requirements of the patient is disclosed. Gas pressure in the trachea of the patient is measured, and the delivery of breathing gas to the patient is controlled based on the sensed gas pressure. Depending on the physiological needs of the patient, a tracheal gas pressure limit and a breathing gas flow rate value are established. When the tracheal gas pressure limit is reached, the flow of breathing gas is reduced or terminated. The flow of breathing gas is resumed, for example, after a delay period, or after the tracheal gas pressure falls to a predetermined level.
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