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.
方法根据气道复合狭窄的特殊解剖结构与病变特点，设计气道倒y型一体化自膨胀式金属内支架。
Methods On the standpoint of the peculiar anatomic structure and the pathological changes of complex airway stenosis, we designed the inverted Y-shaped self - expandable metal stent.
观察指标：24例患者中17例患者留置自膨胀式金属支架26枚，7例患者留置塑料内涵管10枚。
Observeing Index: in the 24 patients, 26 self - expanding metallic stents were deployed in 17 patients, and 10 plastic stents were deployed hi 7 patients.
观察指标：24例患者中17例患者留置自膨胀式金属支架26枚，7例患者留置塑料内涵管10枚。
Observeing Index: in the 24 patients, 26 self - expanding metallic stents were deployed in 17 patients, and 10 plastic stents were deployed hi 7 patients.
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