Automated mean arterial blood pressure monitor with data enhance

Details Automated mean arterial blood pressure monitor with data enhance Automated mean arterial blood pressure monitor with data enhance

1986-10-27

1988-07-05

Cohen, Lee S.

Surgery

Truss

Pad

128681, A61B 502

Patent

active

047547618

ABSTRACT:
A blood pressure cuff is applied about a subject's artery, and inflated above the systolic level thus fully occluding the artery for a full heart cycle. The cuff pressure is thereafter reduced to permit an increasing flow through the progressively less occluded artery, and a measure of the peak amplitudes of the successively encountered blood flow (oscillatory complex) pulses stored in memory. Also retained is the cuff pressure obtaining for each stored complex peak. In accordance with varying aspects of the present invention, the stored complex peak-representing data ensemble is corrected for aberrations; and improved data processing operates on the stored (and advantageously corrected) pulse peak data and the corresponding cuff pressure information to determine the subject's mean arterial blood pressure.

REFERENCES:
patent: 4074711 (1978-02-01), Link et al.
patent: 4248242 (1981-02-01), Tamm
patent: 4313445 (1982-02-01), Georgi
patent: 4317907 (1979-02-01), Jansen et al.
patent: 4461266 (1984-07-01), Hood, Jr. et al.
patent: 4625277 (1986-11-01), Pearce et al.
patent: 4660567 (1987-04-01), Kaneko et al.
patent: 4669485 (1987-06-01), Roussell
"The Principle Underlying Dinamap . . . " by Meldrum; J. of Med. Eng & Technol vol. 2, #5 Sep. 1978.
"The Norse Systems Automatic Electronic BP Monitor" by Link Internal Memo of Norse Systems Inc. Nov. 1974.

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