Jinko Zoki
Online ISSN : 1883-6097
Print ISSN : 0300-0818
ISSN-L : 0300-0818
Hydrodynamic Comparison of Various Heart Valves including Newly-developed Valves
M. UMEZUN. FUJIIT. TANAKAK. KAWAZOET. FUJITAT. AKUTSU
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JOURNAL FREE ACCESS

1983 Volume 12 Issue 1 Pages 146-149

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Abstract
Hydrodynamic characteristics of 18 commercially-available valves including 6 newly-developed valves were studied on our mock circulatory system and the effective orifice area (EOA) of each valve was calculated by modified Gorlin's equation. The results were as follows: 1) EOA of Bicerval tilting disc valve was larger than that of Björk-Shiley (B-S) and was similar to those of CC-B-S, Omniscience, and SJM. 2) EOAs of new porcine valves (Liotta, Biocor) were similar to those of MO-Hancock(H250), and new Carpentier valves, but they were less than that of B-S by 15%. 3) As for the bovine pericardial valves, EOAs of Ionescu Shiley (I-S) and IMC were similar to those of B-S and H250, respectively. Ross-Bentley and new I-S exhibited the largest EOA among testing valves.
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© The Japanese Society for Artificial Organs
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