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In vitro evaluating system for prosthetic heart valves in a case of the Jyros valve

Fujimoto T., Tsutsumi Y., Shiraishi Y., Iwasaki K., Yoshida M., Umezu M., Begg J., Woodard J.

Biocybernetics and Biomedical Engineering

2002

Vol. 22, no. 4

41-46

The Jyros valve has unique hydrodynamic characteristics comparing with other types of valves. In this study, precise hydrodynamic characteristics of the valve were examined using a mock circulatory system, which we have developed. Further, the influence of leaflet rotation is shown to reduce flow resistance under the rotational flow condition which was produced by a spiral vortex pump. However, hemolysis was not revealed to be reduced by the Jyros.