Stents: biomechanics, biomaterials, and insights from computational modeling

GS Karanasiou, MI Papafaklis, C Conway… - Annals of biomedical …, 2017 - Springer
Coronary stents have revolutionized the treatment of coronary artery disease. Improvement
in clinical outcomes requires detailed evaluation of the performance of stent biomechanics …

Pre-strain and mean strain effects on the fatigue behavior of superelastic nitinol medical devices

AR Pelton, BT Berg, P Saffari, AP Stebner… - Shape Memory and …, 2022 - Springer
There is a growing body of evidence that “in situ” modification of the microstructure of Nitinol
due to pre-strain and mean strain strongly influence the fatigue properties of implanted …

Effect of stenosis and dilatation on the hemodynamic parameters associated with left coronary artery

S Sandeep, SR Shine - Computer Methods and Programs in Biomedicine, 2021 - Elsevier
Abstract Background and Objective: The main objective of the work is to examine the
curvature effects of stenosis/dilatation region pertaining to left coronary artery. The …

Time-resolved simulation of blood flow through left anterior descending coronary artery: effect of varying extent of stenosis on hemodynamics

Y Zhao, H Wang, W Chen, W Sun, X Yu, C Sun… - BMC Cardiovascular …, 2023 - Springer
Background and objectives Real-time blood flow variation is crucial for understanding the
dynamic development of coronary atherosclerosis. The main objective of this study is to …

[PDF][PDF] 形状记忆合金管接头热机耦合行为的有限元数值模拟

康泽天, 周博, 薛世峰 - 机械工程学报, 2018 - qikan.cmes.org
为了克服形状记忆合金(Shape memory alloy, SMA) 管接系统在装配过程中的数值模拟不够
精细, SMA 管接头紧固力影响因素研究不够详尽的缺点, 基于热力学Gibbs 自由能, 推导SMA …

Fatigue of metallic stents: from clinical evidence to computational analysis

F Auricchio, A Constantinescu, M Conti… - Annals of Biomedical …, 2016 - Springer
The great success of stents in treating cardiovascular disease is actually undermined by
their long-term fatigue failure. The high variability of stent failure incidence suggests that it is …

[HTML][HTML] Oversizing of self-expanding Nitinol vascular stents–A biomechanical investigation in the superficial femoral artery

M Bernini, M Colombo, C Dunlop, R Hellmuth… - journal of the …, 2022 - Elsevier
Despite being commonly employed to treat peripheral artery disease, self-expanding Nitinol
stents are still associated with relatively high incidence of failure in the mid-and long-term …

Modeling of braided stents: Comparison of geometry reconstruction and contact strategies

A Zaccaria, F Migliavacca, G Pennati, L Petrini - Journal of biomechanics, 2020 - Elsevier
Braided stents are self-expandable devices widely used in many different clinical
applications. In-silico methods could be a useful tool to improve the design stage and …

Finite element analysis for fatigue behaviour of a self-expanding Nitinol peripheral stent under physiological biomechanical conditions

L Lei, X Qi, S Li, Y Yang, Y Hu, B Li, S Zhao… - Computers in Biology …, 2019 - Elsevier
Self-expanding Nitinol stents are increasingly used to treat femoropopliteal artery (FPA)
occlusions, but the risk of stent fatigue failure exists due to complex artery deformation …

Numerical simulation of magnetic nano drug targeting to atherosclerosis: Effect of plaque morphology (stenosis degree and shoulder length)

X Zhang, M Luo, E Wang, L Zheng, C Shu - Computer Methods and …, 2020 - Elsevier
Background and objective: Nanoparticle-mediated targeted drug delivery is a promising
option for treatment of atherosclerosis. However, the drug targeting may be affected by …