The Influence of Suture Density on Bioprosthetic Heart Valve

Quan Yuan; Hai Bo Ma; Xu Huang

doi:10.4028/www.scientific.net/AMM.300-301.1654

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 300-301The Influence of Suture Density on Bioprosthetic...

The Influence of Suture Density on Bioprosthetic Heart Valve

Abstract:

This paper constructs the parametric model of the spherical heart valve via computer aided design, a series of accurate parameters of the bioprosthetic heart valve, such as the radius of the sutural ring, height of the supporting stent and inclination of the supporting stent are determined. The finite element method is used to determine the effect of the suture density on the dynamic properties of the bioprosthetic heart valve. The finite element analysis results show that the suture has a significant effect on the dynamic properties of the leaflets. The peak stress with different suture density is quite different and the stress distribution with higher suture density is more reasonable than that with lower suture density. In addition, the suture density has more effect at the top of the attachment edge than the other parts of the valve leaflets. This work is very helpful to manufacture the bioprosthetic heart valve with long term durability.

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Periodical:

Applied Mechanics and Materials (Volumes 300-301)

Pages:

1654-1657

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.300-301.1654

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Online since:

February 2013

Authors:

Quan Yuan, Hai Bo Ma, Xu Huang

Keywords:

Bioprosthetic Heart Valve, Dynamic Propertry, Finite Element Method (FEM), Suture Density

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