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首页> 外文期刊>Acta biomaterialia >Process of prototyping coronary stents from biodegradable Fe-Mn alloys
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Process of prototyping coronary stents from biodegradable Fe-Mn alloys

机译：可生物降解的Fe-Mn合金原型冠状动脉支架的方法

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Biodegradable stents are considered to be a recent innovation, and their feasibility and applicability have been proven in recent years. Research in this area has focused on materials development and biological studies, rather than on how to transform the developed biodegradable materials into the stent itself. Currently available stent technology, the laser cutting-based process, might be adapted to fabricate biodegradable stents. In this work, the fabrication, characterization and testing of biodegradable Fe-Mn stents are described. A standard process for fabricating and testing stainless steel 316L stents was referred to. The influence of process parameters on the physical, metallurgical and mechanical properties of the stents, and the quality of the produced stents, were investigated. It was found that some steps of the standard process such as laser cutting can be directly applied, but changes to parameters are needed for annealing, and alternatives are needed to replace electropolishing.
机译：可生物降解的支架被认为是最近的创新，近年来已经证明了它们的可行性和适用性。该领域的研究专注于材料开发和生物学研究，而不是如何将开发的可生物降解材料转化为支架本身。目前可用的支架技术，激光切割的工艺，可能适用于制造可生物降解的支架。在这项工作中，描述了可生物降解的Fe-Mn支架的制造，表征和测试。提及制造和测试不锈钢316L支架的标准方法。研究了过程参数对支架的物理，冶金和机械性能的影响，以及所生产的支架的质量。结果发现，可以直接施加标准过程的一些步骤，例如激光切割，但是对退火需要参数的变化，并且需要替换电力抛光。

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