NDLI: Construction parametric model and stress analysis of the biopresthetic heart valve

Content Provider	IEEE Xplore Digital Library
Author	Quan Yuan Haiyan Zhu Hua Cong Chengrui Zhang Yanqiu Zhu
Copyright Year	2010
Description	Author affiliation: School of Medicine, Shandong University, Jinan 250061, P. R. China (Haiyan Zhu; Hua Cong; Chengrui Zhang; Yanqiu Zhu) \|\| Key Laboratory of High Efficiency and Clean, Mechanical Manufacture (Shandong University), Ministry of Education, Jinan 250061, P. R. China (Quan Yuan)
Abstract	In order to improve long-term durability of bioprosthetic heart valve, stress distribution of bioprosthetic heart valve leaflets with different shapes under the same load is analyzed and compared based on finite element method. Combining traditional design theories and modern design methods, we create the cylindrical, spherical, paraboloidal and ellipsoidal curved surfaces in accordance with the geometrical equations in the appropriate frame ordinal. Based on the stress analysis of two kinds of curved surfaces, we take turns to create relative inverse conic curved surfaces which satisfy the actual condition. Meanwhile, the space positions of boundary curves and important points are determined by the intersected curves and axis of revolution. Geometrical design and the finite element analysis could provide direct and useful information for the bioprosthetic heart valve designer. The experimental results of the finite element analysis reveal that stress distribution of different bioprosthetic heart valve leaflets is quite different in diastole time. Ellipsoidal valve leaflets have the following advantages over spherical, paraboloidal and cylindrical valves leaflets: one is that the peak stress area of ellipsoidal valve leaflets is comparatively far from seam position, the other is that the maximal primary stress of ellipsoidal valve leaflets is lower than that of spherical, paraboloidal and cylindrical valves leaflets. Therefore, mechanical properties of ellipsoidal valves leaflets are superior to those of spherical, paraboloidal and cylindrical valves leaflets.
Starting Page	141
Ending Page	145
File Size	318001
Page Count	5
File Format	PDF
ISBN	9781424452637
DOI	10.1109/ICIME.2010.5478239
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	stress distribution Shape Design methodology Laboratories Parametric statistics Finite element methods Stress Heart valves Equations Information analysis finite element method bioprosthetic heart valve Virtual manufacturing
Content Type	Text
Resource Type	Article

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Stress Analysis on Bioprosthetic Heart Valve Leaflets with Different Shapes

Stress Analysis of the Biopresthetic Heart Valve with Different Thickness

Dynamic Analysis of the Bioprosthetic Heart Valve

Stress Analysis on Bioprosthetic Heart Valve Leaflets with Non-Linear Material

Dynamic Simulation Pericardial Bioprosthetic Heart Valve Function

Simulated Bioprosthetic Heart Valve Deformation under Quasi-Static Loading

Mechanical analysis of mechanical aortic heart valve: Trileaflet versus bileaflet

Notice of RetractionStudy on computer aided modeling of bioprosthetic heart valve

Real time deformation of the bioprosthetic heart valve

Construction parametric model and stress analysis of the biopresthetic heart valve

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Stress Analysis on Bioprosthetic Heart Valve Leaflets with Different Shapes

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