System for examining cardiac function

Details System for examining cardiac function System for examining cardiac function

1994-11-07

1995-09-19

Manuel, George

Surgery

Truss

Pad

128672, 128713, A61B 800

Patent

active

054508509

ABSTRACT:
The minimum amount of data regarding cardiac function required for evaluation is measured non-invasively and various cardiac function parameters are computed (estimated) based on the measured values, and the results are displayed in an optimal form for evaluation. A cardiac function examination system comprises a device for measuring the amount of blood ejected from the ventricle to the aorta based on reflected ultrasonic pulses, a device for measuring the aorta or thick artery diameter based on reflected ultrasonic pulses, a device for inputting at least one of maximum and minimum blood pressure values, a device for computing a maximum ventricular volume or an ejection fraction, and a device for acquiring parameters such as cardiac volume or aorta pressure parameter regarding cardiac function based on the measured values of the ejection amount, the blood vessel diameter, and the ejection fraction, or any one of these, and the input pressure values.

REFERENCES:
patent: 4796634 (1989-01-01), Huntsman et al.
patent: 5086776 (1992-02-01), Fowler et al.

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