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Numerical and experimental study of radial support capacity of intravascular stent / 中国医疗器械杂志
Chinese Journal of Medical Instrumentation ; (6): 175-179, 2010.
Article in Chinese | WPRIM | ID: wpr-281132
ABSTRACT
The radial support capacity of intravascular stent is usually evaluated by the planar compression or the radial compression methods. Based on FEM simulation, the planer and radial compression methods are compared, and the agreement of the evaluation for the radial support capacity between these two methods is found. Moreover, the planer compression method is used to study the geometric parameters' effect on the radial support capacity by numerical simulations and experiments. Results show that, at the beginning of the compression process, the radial support capacity is mainly influenced by the metal-to-artery surface ratio; at large compression rate, the radial support capacity will decrease sharply with the increment of post-expansion diameter and decrement of the thickness and metal-to-artery surface ratio. The results provide guidance to the design and test of stents.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Prosthesis Design / Computer Simulation / Software / Stents / Models, Cardiovascular Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2010 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prosthesis Design / Computer Simulation / Software / Stents / Models, Cardiovascular Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2010 Type: Article