Document Type

Thesis

Date of Award

5-31-1984

Degree Name

Master of Science in Electrical Engineering - (M.S.)

Department

Electrical Engineering

First Advisor

Stanley S. Reisman

Second Advisor

Hans E. Pawel

Third Advisor

Robert R. Meola

Abstract

The major objective of this thesis is to find the relationship between the blood velocity and the stenosis of the vessel. Tests were performed with different degrees of stenosis at varied logitudinal positions from the testing probe in the vessel of a Z-80 microprocessor controlled artificial circulation system.

Three methods were used to detect the velocity in the vessel: continuous wave Doppler, Pulse Doppler, and a hot-film device. The first method can get the average velocity, while the latter two have the capability to find a velocity profile, and all are important indicators to the arterial occlusion phenomenon.

An analysis is performed using data obtained from tests conducted by the above three techniques. Relationships between the velocity and stenosis are obtained.

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