Title of Paper:Stent optimization based on different expansion models

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Date of Publication:2011-03-01

Journal:Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology

Included Journals:EI、PKU、ISTIC、Scopus

Volume:43

Issue:SUPPL. 1

Page Number:267-272

ISSN No.:03676234

Abstract:To find out a simple and effective stent expansion simulation method for stent optimization based on finite element analysis results, an effective optimization method using Kriging surrogate model combing with modified Latin hypercube sampling was proposed to reduce the 'Dogboning' effect of stent in the expansion process based on the two commonly used simulation methods: (i) pressure applied on the inner surface of balloon and (ii) radial displacement applied on balloon to dilate stent. As an example, a typical diamond stent was study and two optimization results were achieved, respectively. The numerical results indicate that optimal stent based on the first simulation method has good qualitative agreement with manufacturer's design idea.