Abstract
In this research, effects of material properties of stent materials, such as nitinol and ferrous alloy, on a self-expanding stent are studied by the stent deployment simulations using finite element method (FEM). Stent, vessel, and plaque are modeled by using AutoCAD. The model is imported to a finite element analysis software Ansys 15.0 and the deployment analysis of the stent is carried out. In addition, two methods of the unsheathing of the self-expanding stent are studied: (1) a conventional method where a stent comes out from one end of the sheath and (2) a new method in which a stent comes out from the center of the sheath. Also, both the area stenosis ratio and Dog-Boning are discussed referring the simulations conducted in the paper.
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