重症医学科(ICU)患者因病情危重,70%的患者都会经锁骨下、颈内、股静脉置入中心静脉导管(CVC),由于其保留时间较长、输液种类广泛、弹性好等优点,在重症患者的抢救、快速补液、循环监测、肠外营养支持、采集静脉血液样本等方面起到不可估量的作用,为治疗和护理带来极大的方便[1]。但在临床使用过程中,CVC导管会因为敷贴受潮松动,缝线腐朽断裂、患者烦躁、不经意牵拉等原因而发生脱落,从 Due to the critically ill condition, 70% of the patients in ICU are placed in the central venous catheter (CVC) through the subclavian, intracranial, and femoral veins. Because of their long retention time, extensive infusion and good elasticity, In critically ill patients rescue, rapid rehydration, circulation monitoring, parenteral nutrition support, collection of venous blood samples play an invaluable role, for the treatment and care brought great convenience [1]. However, in the course of clinical use, CVC catheter will be loose because of the application of dampness, suture rupture, irritability, inadvertently pulling and other reasons off, from