Abstract
The 316L stainless steel stent was analyzed about the effect on interaction with plaque and vessels and blood flow during and after implantation using finite element method (FEM) and computational fluid dynamics (CFD). The results showed that tilted ends are likely to damage the intima which may stimulate thrombus formation and neointimal hyperplasia and will cause the restenosis. Stagnant zones formed by the stent may cause the backflow phenomenon, which also contribute to the important elements of in-stent restenosis (ISR).
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