Automatic mean blood pressure reading device

Details Automatic mean blood pressure reading device Automatic mean blood pressure reading device

1980-03-31

1982-09-14

Howell, Kyle L.

Surgery

Truss

Pad

128682, A61B 502

Patent

active

043490344

ABSTRACT:
A method for producing information indicative of the mean blood pressure of a living creature through indirect measurement, practiced in a system comprising an inflatable cuff, a pump connected to the cuff, a deflating valve connected to the cuff, measuring apparatus connected to the cuff adapted to measure cuff pressure and pressure oscillations occurring in the cuff caused by the heartbeat of the living creature and control apparatus connected to the pressure measuring apparatus, pump and deflating valve. Deflation of the cuff occurs in pressure increments, with processing being done at each given increment to evaluate plural successive pulsations for purposes of artifact rejection and identification of a true pulsation.

REFERENCES:
patent: 3508537 (1970-04-01), Kahn et al.
patent: 3552383 (1971-01-01), Krueger
patent: 3920004 (1975-11-01), Nakayama
patent: 4009709 (1977-03-01), Link et al.
patent: 4011860 (1977-03-01), Lee
Link, W. T., "The Norse Systems Automatic Electronic BP Monitor Using Waveform Analysis Oscillometry," Aug. 1974, Norse Systems Inc., Hayward, Calif.

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