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发明授权
CN105726178B 一种血管支架、其制备方法及应用 有权

一种血管支架、其制备方法及应用
摘要：
本发明涉及一种血管支架、其制备方法和应用，血管支架包括在定位区段、中央支撑区段和末端支撑区段，定位区段包括多个第一重复单体，中央支撑区段包括至少两个中央支撑单元和至少一个第一连接单元，中央支撑单元包括多个第二重复单体，末端支撑区段包括至少两个末端支撑单元和至少一个第二连接单元，末端支撑单元包括多个第三重复单体，第一重复单体的个数与第二重复单体的个数不同，中央支撑区段的支撑力大于末端支撑区段的支撑力，多个第一重复单体的前端部所形成的平面与血管支架的轴线相交。本发明的血管支架的支撑效果好，对静脉壁的伤害小，能够有效避免血栓的形成，定位效果好。
摘要（英）：

The invention relates to an intravascular stent and a preparation method and application thereof. The intravascular stent comprises a positioning section, a central supporting section and a tail-end supporting section. The positioning section comprises a plurality of first repeat single parts, the central supporting section comprises at least two central supporting units and at least one first connection unit, and each central supporting unit comprises a plurality of second repeat single parts. The tail-end supporting section comprises at least two tail-end supporting units and at least one second connection unit, and each tail-end supporting unit comprises a plurality of third repeat single parts. The first repeat single parts are not as many as the second repeat single parts, a supporting force of the central supporting section is larger than that of the tail-end supporting section, and a plane formed by the front ends of the first repeat single parts are intersected with the axis of the intravascular stent. The intravascular stent is effective in supporting and positioning, less in harms to vein walls and capable of effectively avoiding formation of thrombi.

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