ArticleJournal of materials engineering and performance2014
Effect of Stent Radial Force on Stress Pattern After Deployment: A Finite Element Study.
Article in Journal of materials engineering and performance, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Comparative Analysis of Leaflet Materials, Stent Materials, and Stent Cell Density for Bileaflet Transcatheter Mitral Valve Design.Annals of biomedical engineering · 2026Article
- Article
- Design and preclinical feasibility of a pediatric heart valve stent that spontaneously adapts to growth via a spring mechanism.Science advances · 2026Article
- Bioabsorbable Polymeric Stent for the Treatment of Coarctation of the Aorta (CoA) in Children: A Methodology to Evaluate the Design and Mechanical Properties of PLA Polymer.Materials (Basel, Switzerland) · 2023Article
- Wireless Miniature Magnetic Phase-Change Soft Actuators.Advanced materials (Deerfield Beach, Fla.) · 2022Article
- Article
- Realistic computer modelling of stent retriever thrombectomy: a hybrid finite-element analysis-smoothed particle hydrodynamics model.Journal of the Royal Society, Interface · 2021Article
- Immersogeometric fluid-structure interaction modeling and simulation of transcatheter aortic valve replacement.Computer methods in applied mechanics and engineering · 2019Article
- Severe, recurrent in-stent carotid restenosis: endovascular approach, risk factors. Results from a prospective academic registry of 2637 consecutive carotid artery stenting procedures (TARGET-CAS).Postepy w kardiologii interwencyjnej = Advances in interventional cardiology · 2019Article
- Spatial Orientation and Morphology of the Pulmonary Artery: Relevance to Optimising Design and Positioning of a Continuous Pressure Monitoring Device.Journal of cardiovascular translational research · 2016Article
- The association between periprocedural factors and the late outcome of percutaneous stenting of lower extremity arteries. A retrospective cohort study.Postepy w kardiologii interwencyjnej = Advances in interventional cardiology · 2015Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
The present article presents a method for assessing the radial stiffness of nitinol stents. An idealized stent model was created, and its radial stiffness was calculated by means of finite element modeling. The calculations were validated against experimental measurements. The variation of radial stiffness with geometrical dimensions was calculated, and the effect of increasing radial stiffness on endovascular deployment was analyzed. Peak tensile and compressive stresses as well as stent penetration were calculated in the case of an idealized pulmonary artery model having realistic dimensions as well as stiffness. The results of stress calculations were compared with a second set of simulations, where an idealized behavior of the stent (uniform expansion to a theoretical contact diameter) was modeled. The results show how in reality nitinol stents behave in a non-ideal way, having a non-uniform expansion and exerting non-uniform pressure on the contact areas with the artery. Such non-ideality decreases though with the increase in radial stiffness. The radial force alone may be insufficient in describing the stent-artery interaction, and numerical modeling proves to be necessary for capturing such complexity.
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