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KMID : 0384620090200030139
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Korean Journal of Medical Physics
2009 Volume.20 No. 3 p.139 ~ p.144
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The Verification of Computer Simulation of Nitinol Wire Stent Using Finite Elment Analysis
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Kim Jin-Young
Jung Won-Gyun
Suh Tae-Suk
Shin Dong-Oh
Kim Han-Ki
Shin Il-Gyun
Kim Sang-Ho
Jeon Dong-Min
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Abstract
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Recently, the mathematical analysis of stent simulation has been improved, with the help of development of various tool which measure mechanical property and location of stent in artery. The most crucial part of the stent modeling is how to design ideal stent and to evaluate the interaction between stent and artery. While there has been great deal of researches on the evaluation of the expansion, stress distribution, deformation of the stent in terms of the various parameters, few verification through computer simulation has been performed about deformation and stress distribution of the stent. In this study, we have produced the corresponding results between experimental test using Universal Testing Machine and computer simulation for the ideal model of stent. Also, we have analyzed and compared stress distribution of stent in the cases of that with membrane and that without membrane. The results of this study would provide minimum change of plan and good quality for ideal stent replacing damaged artery through the analysis using computer simulation in the early stage of stent design.
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KEYWORD
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Finite element method, Stent, Computer simulation, Nitinol
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