Beat-to-beat systolic and diastolic indicator

Details Beat-to-beat systolic and diastolic indicator Beat-to-beat systolic and diastolic indicator

1978-04-10

1980-09-23

Michell, Robert W.

Surgery

Truss

Pad

364417, 324103P, A61B 502

Patent

active

042236827

ABSTRACT:
Apparatus and method are disclosed for deriving the maximum and minimum peaks of a wave representing blood pressure by comparing it with offsets that may be arbitrarily set or derived from the blood pressure signal, which offsets are alternatively added to and subtracted from the approximate mean of the blood pressure signal.

REFERENCES:
patent: 2986655 (1961-05-01), Wiseman et al.
patent: 3486499 (1969-12-01), Yen
patent: 3938506 (1976-02-01), Birnbaum et al.
patent: 3939824 (1976-02-01), Arneson et al.
patent: 3978848 (1976-09-01), Yen et al.
patent: 4018219 (1977-04-01), Hojaiban
patent: 4024459 (1977-05-01), Mears
patent: 4074149 (1978-02-01), Naaijer
patent: 4105020 (1978-08-01), Matsuoka et al.
patent: 4105021 (1978-08-01), Williams et al.
Randall, M. J. et al, "Computer Automation of Blood-Pressure Measurements", Proc. of the IEEE, vol. 63, No. 10, Oct. 1975, pp. 1399-1403.

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