作者: Changchun Wang , Zhiyong Xie , Jianjun Li , Zhirong Tang , Qiyi Luo
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摘要: A coronary artery vascular stent with medicine carrying slots (2) comprises a plurality of main supporting unit rings (1, 8) and connecting poles (4, 6). Said comprise waves. There are at the outer surface wave said waves, characterized in that total slot length is 60%-75% pole (1,8).