目的：拟验证脐静脉内皮细胞低密度种植于脱细胞猪动脉支架实现血管内皮化的可行性。
OBJECTIVE: To explore endothelialization of low density human umbilical vein endothelial cell (HUVEC) seeded on decellularized porcine carotid arteries scaffold.
或者采用进口的高密度多孔聚乙烯材料按健耳的大小和形状切削修整组装形成外耳支架。
Recently the imported porous polyethylene framework of high density has been used for external ear reconstruction by cutting and assembling in accordance with the shape of the normal ear.
对实验组支架植入前后造影结果进行分析，拟合动脉瘤内时间-密度曲线。
The results of angiography before and after the stent implantation were compared and analyzed in experimental group, and then a time-density curve inside the aneurysm was fitted.
以扫描电镜观察支架的表面特征，测定支架的孔径值、材料的吸水率及表观密度。
The microstructure and porosity were observed under scanning electron microscope, and the pore diameter, rate of water absorption, and surface density were determined.
以扫描电镜观察支架的表面特征，测定支架的孔径值、材料的吸水率及表观密度。
The microstructure and porosity were observed under scanning electron microscope, and the pore diameter, rate of water absorption, and surface density were determined.
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