A Note on the Leakage of the New Omniscience/tm Pivoting Disk Prosthetic Heart Valve

[+] Author and Article Information
T. H. Reif, G. Cocolin

Department of Mechanical Engineering, U.S. Naval Academy, Annapolis, Md. 21402

M. C. Huffstutler

Medical Incorporated, Inver Grove Heights, Minn. 55075

J Biomech Eng 102(4), 342-344 (Nov 01, 1980) (3 pages) doi:10.1115/1.3138233 History: Received August 15, 1979; Revised August 11, 1980; Online June 15, 2009


Measurements of the steady-state leakage of the new Medical Incorporated Omniscience/tm cardiac valve prosthesis are presented. These results are compared to those obtained from the SJM bi-leaflet cardiac valve/tm. The new Omniscience/tm valve shows significantly less leakage than the bi-leaflet valve. Consideration is given to problems in similitude as well as to the general nature of the flow field.

Copyright © 1980 by ASME
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