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RESEARCH PAPERS

Statistical Analysis of Longevity of Prosthetic Aortic Valves

[+] Author and Article Information
D. N. Ghista

Biomedical Engineering Division, Indian Institute of Technology, Madras, India

Y. K. Lin

Department of Aeronautical and Astronautical Engineering, University of Illinois at Urbana-Champaign, Urbana, Ill.

J. Appl. Mech 43(1), 2-7 (Mar 01, 1976) (6 pages) doi:10.1115/1.3423790 History: Received August 01, 1974; Revised June 01, 1975; Online July 12, 2010

Abstract

The analysis and procedure for obtaining the average fatigue damage rate, and hence a measure of longevity, of a prosthetic heart valve is presented. Design charts are developed to obtain measures of longevity of prosthetic heart valves, for various values of valve geometry characterizing parameter, valve’s in vivo pressure loading characteristics and the fatigue properties of the valve material. Such design charts can be updated when more reliable information about the fatigue properties of valve material (in a physiological fluid environment) becomes available.

Copyright © 1976 by ASME
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