Adaptive incremental blood pressure monitor

Details Adaptive incremental blood pressure monitor Adaptive incremental blood pressure monitor

1982-04-29

1984-07-24

Cohen, Lee S.

Surgery

Truss

Pad

128680, 128677, A61B 502

Patent

active

044612664

ABSTRACT:
An adaptive monitor and method for rapidly determining blood pressure, selects an initial cuff pressure to be applied to an artery of the test subject and then measures the amplitude of pressure pulses caused by the pumping of blood by the subject's heart. The cuff pressure is incrementally increased while the pulse amplitudes are monitored in order to obtain blood pressure readings by the oscillometric method. If the pulse amplitudes decrease for increases in pressure above the initial value, it is taken as an indication that mean arterial pressure is below the initial cuff pressure. Thus the cuff pressure is substantially decreased to a new initial value and the process is restarted. If it should be found upon a determination of the mean arterial pressure and the systolic pressure, that the initial or new cuff pressure was not low enough to determined diastolic pressure, the cuff pressure is automatically decreased in one large step to a level below the initial pressure and is then decreased in steps until diastolic pressure is located.

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