Mechanical Behavior of Polymer Braided Stent at Rapid Radial Loading

Xue Hu; Chen Zhang; Bin Wang; Jin Bo Liu; Jie Cheng; Gu Tian Zhao; Zhong Hua Ni; Jue Kuan Yang

doi:10.4028/p-0xC6xG

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 977Mechanical Behavior of Polymer Braided Stent at...

Mechanical Behavior of Polymer Braided Stent at Rapid Radial Loading

Abstract:

Stent implantation is the mainstream treatment for high-incidence vascular diseases. The stent is implanted into the blocked vessel with minimal trauma to restore blood flow. Polymer braided stents with superior biocompatibility and flexibility have broad application prospects in stent implantation. An ideal polymer stent should have suitable radial supporting capacity to withstand the cyclic radial load from vessels. Especially in the case of accelerated vasoconstriction caused by emotional excitement, drinking or fever, etc. However, there are currently limited studies on the mechanical properties of stent at rapid radial loading. In this work, the radial supporting capacity and fatigue properties of polymer stent at rapid loading rate were investigated by experiment and simulation. With the increase of radial loading rate, the stent has different deformation tendency and fatigue resistance. This study is helpful to study the structural changes of the polymer braided stent at different loading rates, and provide ideas for the evaluation and the optimization of the polymer braided stent.

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Periodical:

Key Engineering Materials (Volume 977)

Pages:

141-145

DOI:

https://doi.org/10.4028/p-0xC6xG

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Online since:

March 2024

Authors:

Xue Hu, Chen Zhang, Bin Wang, Jin Bo Liu, Jie Cheng, Gu Tian Zhao, Zhong Hua Ni, Jue Kuan Yang*

Keywords:

Cyclic Load, Polymer Braided Stent, Radial Supporting Capacity, Rapid Radial Loading

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* - Corresponding Author

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