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Chinese Journal of Biomedical Engineering  2017, Vol. 36 Issue (3): 354-359    DOI: 10.3969/j.issn.0258-8021. 2017. 03.014
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Progress and Challenges of Bioresorbable Vascular Scaffolds
Ren Hao*, Li Rongke, Wang Ren
(Department of Vascular Surgery, Dalian Municipal Central Hospital, Dalian 116033, Liaoning, China)
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Abstract  Although drug-coating technologies have made stent achieve a great progress, and the application of drug-coating stents is more than that of non-drug coating stents in clinical application. However, the long-term efficacy still required further observation and verification. Regardless of what types of drug-coating stents, when the stent was implanted in the body for a long time, the drug coating would be gradually absorbed and the bare stent was exposed to the blood and the vein wall, therefore, the problems of the non-drug coating stents can not be completely solved. Bioresorbable stents are different from the non-degradable stents, they can be degraded when implanted in the human body. After a period of time, it is degraded completely and excreted. This paper not only described various bioresorbable stents, including polymer, magnesium alloy, pure iron, zn-alloy, but also analyzed existing problems, aiming to make a contribution to the development and application of bioresorbable stents.
Key wordsbioresorption      vascular scaffold      biodegradable materials      arteriosclerosis      restenosis     
Received: 27 July 2016     
PACS:  R318  
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Ren Hao
Li Rongke
Wang Ren
Cite this article:   
Ren Hao,Li Rongke,Wang Ren. Progress and Challenges of Bioresorbable Vascular Scaffolds[J]. Chinese Journal of Biomedical Engineering, 2017, 36(3): 354-359.
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http://cjbme.csbme.org/EN/10.3969/j.issn.0258-8021. 2017. 03.014     OR     http://cjbme.csbme.org/EN/Y2017/V36/I3/354
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