Blood pressure measuring apparatus

Details Blood pressure measuring apparatus Blood pressure measuring apparatus

1981-08-20

1983-11-29

Howell, Kyle L.

Surgery

Truss

Pad

A61D 502

Patent

active

044175876

ABSTRACT:
Apparatus is described for measuring both the systolic and diastolic blood pressure of an individual. A pressurable cuff having an additional tightening band for advantageously positioning a cuff and microphone on an artery is described. The microphone is connected to first the second filters having respective passbands for analyzing the frequency content for recovered pulse signals. The apparatus provides for automatic pressurizing and depressurizing of the cuff whereby the artery is occluded and opened to permit passage of the blood flow. The pressure at the time of receipt of signals from the filters is measured as the systolic pressure. The diastolic blood pressure is measured with apparatus in accordance with the invention by monitoring signals from one of the filters.

REFERENCES:
patent: 3308811 (1967-03-01), Gillette et al.
patent: 3978848 (1976-09-01), Yen et al.
patent: 4026277 (1977-05-01), Toda et al.
patent: 4058117 (1977-11-01), Kaspari et al.
patent: 4252127 (1981-02-01), Gemelke

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