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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2020, Vol. 08 ›› Issue (01): 83-88. doi: 10.3877/cma.j.issn.2095-5782.2020.01.016

Special Issue:

• Review • Previous Articles     Next Articles

The Research progress of biodegradable magnesium alloy scaffolds at home and abroad

Linghua Kong1, Yingkun He1,(), Tianxiao Li1,(), Yilin Zhang1, Yanyan He1, Shijie Zhu2, Shaokang Guan2   

  1. 1. Department of Cerebrovascular Disease, Zhengzhou University People's Hospital, Henan Provincial People's Hospital, Henan Provincial Neurointerventional Engineering Research Center, Henan Zhengzhou 450003, China
    2. School of Materials Science and Engineering, Zhengzhou University, Henan Zhengzhou, 450003, China

Abstract:

In recent years, much progress has been made on the territory of biodegradable magnesium alloy scaffolds in Vascular system. As a biodegradable material, magnesium alloy scaffolds has certain advantages over iron base alloy and zinc base alloy. The degradation of magnesium is too rapid to match the rates of tissue healing and it exhibits the non-uniform corrosion mechanism.Therefore, researchers optimized the bimetallic properties of biodegradable magnesium alloy scaffolds from the surface modification, forging process and composition ratio. And scaffolds were applied to preclinical experiments and clinical research. This review focuses on the following topics: the development history at home and abroad and the characteristics of biodegradable magnesium alloy scaffolds. Furthermore, this review also covers research carried out in the field of development prospect of the stent.

Key words: Bioresorbable scaffold, Biodegradable magnesium alloy scaffold, In-stent restenosis, Biodegradation

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