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International Journal of

Recent Trends in Engineering

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International Journal of Recent Trends in Engineering (IJRTE)

ISSN 1797-9617

Volume 1, Number 2, May 2009

Issue on Computer Science

Page(s): 90-92

Stent Biomechanics in Marginal coronary Stenotic Arteries

Sanjay A. Pujari, V.R.Udupi.

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Abstract

Marginal stents are small tube-like structures expanded into stenotic arteries to restore blood flow perfusion to the downstream tissues. Among the popular interventional treatments on coronary heart diseases, the stent implantation prevails as a new typical therapy due to its little hurt to the body and excellent effectiveness. The implantation prevails as a new typical therapy due to its little hurt to the body and excellent effectiveness. The technology of combining Pro/E and ANSYS/LS-DYNA was used to study the key issues of finite element ANSYS was used to study the key issues of finite element numerical analysis of stent coupling expansion including geometry modeling, materials selection, meshing, numerical analysis of stent coupling expansion including geometry modeling, materials selection, meshing, boundary conditions, loads definition and contact disposal were studied. Moreover, a laser-cut tubular boundary conditions, loads definition and contact disposal were studied. Moreover, a marginal coronary stent was expanded on the assembled platform and its testing data in the experiment were analyzed compared with the results of numerical simulation. The experimental scheme presented in the analyzed compared with the results of numerical simulation. Hence proposed finite element analysis could help in designing new stents or analyzing actual stents to ensure ideal expansion and structural integrity.

Index Terms

Balloon-expandable stent, Revascularization, Finite-element method, plaque

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