Vital signs monitoring system

Details Vital signs monitoring system Vital signs monitoring system

1978-10-03

1981-06-02

Michell, Robert W.

Surgery

Truss

Pad

128706, 128723, 128736, 364415, A61B 502

Patent

active

042705479

ABSTRACT:
A system is disclosed for monitoring vital physiological signs. Each of the system components utilizes a single hybrid circuit with each component having high accuracy without the necessity of repeated calibration. The system also has low power requirements, provides a digital display, and is of sufficiently small size to be incorporated into a hand-carried case for portable use. Components of the system may also provide independent outputs making the component useful, of itself, for monitoring one or more vital signs. The overall system preferably includes an ECG amplifier and cardiotachometer signal conditioner unit, an impedance pneumograph and respiration rate signal conditioner unit, a heart/breath rate processor unit, a temperature monitoring unit, a selector switch, a clock unit, and an LCD driver unit and associated LCDs, with the system being capable of being expanded as needed or desired, such as, for example, by addition of a systolic/diastolic blood pressure unit.

REFERENCES:
patent: 3807388 (1974-04-01), Orr et al.
patent: 3996928 (1976-12-01), Marx
patent: 4053951 (1977-10-01), Hudspeth et al.
patent: 4108166 (1978-08-01), Schmid
patent: 4129125 (1978-12-01), Lester et al.
Ko, W. H. et al., "Microelectronics and Miniaturization," Ch. 73 in Medical Engineering, Yearbook Publishers, Chicago 1974, pp. 966-973.
Osborn, J. J. et al., "Measurement & Monitoring of Acutely Ill, Patients by Dig-Computer," Surgery, Dec. 1968, pp. 1057-1070.
Sheppard, L. C. et al., "Surgical IC Automation," JAAMI, Feb. 1972, pp. 74-78.

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