Coronary artery vascular stent with medicine carrying slots
AssigneeMicroport Medical (Shanghai) Co., Ltd
InventorsYan Li, Changchun Wang, Jianjun Li, Zhiyong Xie, Zhirong Tang, Qiyi Luo
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Abstract
The present invention discloses a coronary artery vascular stent with drug carrying slots (2), comprising a plurality of main supporting unit rings (1,8) and connecting rods (4,6). Said main supporting unit rings comprise a plurality of unit waves. There are drug carrying slots (2) at the outer surface of the rods of said unit waves, characterized in that the total slot length of the drug carrying slots (2) is 60%-75% of the total wave rod length of the main supporting unit rings (1,8).
Claims15
A coronary artery vascular stent with drug-carrying slots, comprised of a plurality of main supporting unit rings and connecting rods at the proximal, distal and in the intermediate portion of the stent, said main supporting unit ring consists of a plurality of unit waves, the wave rod exterior surface of the unit waves has drug-carrying slots, characterized in that the accumulative slot-length of the drug-carrying slots covers 60%-75% of the total wave rod length of the main supporting unit rings.
Dependencies are inferred from the claim text.