ArticleJournal of functional biomaterials2022
Finite Element Analysis of the Non-Uniform Degradation of Biodegradable Vascular Stents.
Article in Journal of functional biomaterials, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Computational Corrosion Modeling for Biodegradable Magnesium Alloy Stents: Progress, Challenges, and Future Directions.Annals of biomedical engineering · 2026Review
- Structural Optimization and Finite Element Analysis of Variable-Stiffness Biodegradable Vascular Stents.Journal of functional biomaterials · 2026Article
- Influence of Stent Structure on Mechanical and Degradation Properties of Poly (Lactic Acid) Vascular Stent.Journal of functional biomaterials · 2025Article
- Manufacturing, Processing, and Characterization of Self-Expanding Metallic Stents: A Comprehensive Review.Bioengineering (Basel, Switzerland) · 2024Review
- In Silico Investigation of the Interlaminar and Mechanical Fracture of Arteries with Atheromatic Plaque during Angioplasty Treatment.Biomedicines · 2024Article
- In Silico Evaluation of In Vivo Degradation Kinetics of Poly(Lactic Acid) Vascular Stent Devices.Journal of functional biomaterials · 2024Article
- A phenomenological model of pulsatile blood pressure-affected degradation of polylactic acid (PLA) vascular stent.Medical & biological engineering & computing · 2024Article
- Numerical Simulation of Dynamic Degradation and Fatigue Damage of Degradable Zinc Alloy Stents.Journal of functional biomaterials · 2023Article
- Biomechanical Study and Analysis for Cardiovascular/Skeletal Materials and Devices.Journal of functional biomaterials · 2023Article
- Composite Nanocoatings of Biomedical Magnesium Alloy Implants: Advantages, Mechanisms, and Design Strategies.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Review
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
Most of the studies on the finite element analysis (FEA) of biodegradable vascular stents (BVSs) during the degradation process have limited the accuracy of the simulation results due to the application of the uniform degradation model. This paper aims to establish an FEA model for the non-uniform degradation of BVSs by considering factors such as the dynamic changes of the corrosion properties and material properties of the element, as well as the pitting corrosion and stress corrosion. The results revealed that adjusting the corrosion rate according to the number of exposed surfaces of the element and reducing the stress threshold according to the corrosion status accelerates the degradation time of BVSs by 26% and 25%, respectively, compared with the uniform degradation model. The addition of the pitting model reduces the service life of the BVSs by up to 12%. The effective support of the stent to the vessel could reach at least 60% of the treatment effect before the vessel collapsed. These data indicate that the proposed non-uniform degradation model of BVSs with multiple factors produces different phenomena compared with the commonly used models and make the numerical simulation results more consistent with the real degradation scenario.
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