Wang Weiqiang
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冠状动脉支架紧缩反弹行为有限元分析
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Indexed by:期刊论文

Date of Publication:2006-08-30

Journal:北京生物医学工程

Included Journals:ISTIC

Volume:25

Issue:4

Page Number:366-370

ISSN No.:1002-3208

Key Words:冠状动脉支架;有限元分析;保持力;316L不锈钢;CoCr合金

Abstract:冠状动脉支架作为经皮穿刺冠状动脉成形术中保持病变血管畅通的核心器件,其紧缩到球囊后保持力的大小直接关系到在输送过程中支架从球囊脱落的危险性.支架所选的材料主要为316L不锈钢,但钴铬合金以其独特的性能开始被关注.本文利用有限元方法系统地研究了专有支架设计,在不同支架材料下,紧缩到不同程度及支架筋尺寸的变化对支架紧缩反弹行为的影响.结果显示,在这些因素中,支架所选用的材料是影响支架反弹指标的最重要因素,钴铬合金材料支架的反弹量明显大于316L不锈钢支架,约为40%.因此,有限元方法对支架力学行为分析具有很大的帮助,为支架系统的优化设计提供了重要指导作用.

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Associate Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Gender:Male

Alma Mater:Dalian University of Technology

Degree:Doctoral Degree

School/Department:School of Materials Science & Engineering

Discipline:Materials Science. Biomedical Engineering

Business Address:Room 224
School of Materials Science and Engineering,
Dalian University of Technology,
Liaoning 116024,
P. R. of China

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