在相同的血管条件、相同的封管方法及近似药物使用的情况下，观察两组病人的静脉炎、套管堵塞、套管脱出以及留置时间。
Under the same condition of vessel, tuber sealing method and drug using, the occurrence of phlebitis, block and disengage of tuber, retain time were observed between the two groups.
目的采用套管连接血管技术制作大鼠颈部心脏移植的模型，减少手术并发症，提高术后存活率。
Objectives to develop a model of rat cervical heart transplantation by using a cuff technique to reduce operating complications and increase the postoperative survival rate.
血管支架是置于动脉管内的金属套管，用于在清除血管阻塞医学治疗后维持血管畅通。
Stents are metal sleeves inserted in arteries to keep them propped open after medical procedures to clear blockages.
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