Realistic finite element-based stent design: the impact of balloon folding.
作者： Matthieu De Beule , Peter Mortier , Stéphane G. Carlier , Benedict Verhegghe , Rudy Van Impe
DOI: 10.1016/J.JBIOMECH.2007.08.014
关键词: Balloon 、 Simulation 、 Biomedical engineering 、 Restenosis 、 Engineering 、 Coronary stent 、 Finite element method 、 Free expansion 、 Computer Aided Design 、 Blood vessel prosthesis 、 Stent
摘要: At present, the deployment of an intravascular stent has become a common and widely used minimally invasive treatment for coronary heart disease. To improve these revascularization procedures (e.g. reduce in-stent restenosis rates) optimal strategy lies in further development design, material coatings. In context optimizing computational models can provide excellent research tool. this study, hypothesis that free expansion is determined by unfolding balloon examined. Different modeling strategies are studied compared new generation balloon-expandable stent. The trifolded methodology presented paper shows very good qualitative quantitative agreement with both manufacturer's data experiments. Therefore, proposed numerical appears to be promising optimization design.
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