Abstract
Biodegradable metal stents are potential stent candidates as they dissolve in the body over time after fulfilling their mechanical duties and therefore do not pose a risk in the future. Fe-30Mn-6Si biodegradable alloy was found to be successful in the previous studies in terms of mechanical strength and biodegradability. In this study, the expansion and recoiling behavior of a stent made of Fe-30Mn-6Si alloy was investigated using finite element analyses. L605 Co-Cr and 316L stainless steel stents were also examined for comparison. Obtained results showed that novel FeMnSi stent exhibits lower equivalent stress than the counterparts. On the other hand, the lowest equivalent plastic strain and the highest radial elastic recoil value were observed in FeMnSi stent. Overall findings indicate that FeMnSi stent is moderately successful in terms of balloon-stent interaction.
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