...目的血管内支架按照是否需要球囊扩张而分为二大类：球囊扩张支架(balloon expandable tent)和自膨胀支架(self-expandable stent)球囊扩张支架刚性强，可支撑较长的狭小闭塞病变自膨胀式支架(Wallstent)是近年来施用较普遍的一种支架，具备柔性好、贴壁性佳和不...
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经股动脉路径置入球囊扩张支架及自膨胀支架各4例。
Stents were placed via the percutaneous transfemoral route, self-expandable stents in 4 patients and balloon-expendable stents in the others.
镍钛合金具有超弹性变形行为，利用这一特性制备的自膨胀支架具有优异的生物相容性和力学性能。
NiTi alloy provides superelasticity. We can use this property to make self-expanded stent, which takes on excellent biocompatibility and mechanical properties.
方法：对30例颈动脉狭窄患者在脑保护装置下使用自膨胀支架行颈动脉支架成形术，共放置支架34枚。
Methods 30 embolic protection devices and 34 self-expandable stents were used in the treatment of 30 patients with carotid artery stenosis.
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