Method and apparatus for measuring circulatory function

Details Method and apparatus for measuring circulatory function Method and apparatus for measuring circulatory function

1986-03-11

1987-07-07

Cohen, Lee S.

Surgery

Truss

Pad

128682, 128689, A61B 502

Patent

active

046779833

ABSTRACT:
A method and apparatus for measuring the circulatory function of a living body in which a systolic blood pressure value is measured based on recognition of an initial Korotkoff sound made at the start of a reduction in pressure of a pressurized cuff affixed to a patient's arm. After the recognition of the initial Korotkoff sound, conditions are relaxed to enable measurement of pulse rate, judgment of the correctness of the systolic blood pressure value and a dicision as to whether applied pressure is adequate, all on the basis of sounds from the patient's blood vessel. Finally, diastolic blood pressure is measured based again on recognition of the Korotkoff sound.

REFERENCES:
patent: 4214589 (1980-07-01), Sakamoto
patent: 4475557 (1984-10-01), Hatschek et al.
patent: 4501281 (1985-02-01), Furukawa

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