1、腹膜透析导管技术的相关问题王荣 于克洲山东省立医院肾脏内科腹膜透析导管种类导管置入技术目前存在的问题腹膜透析早期与晚期失败的原因1.由无毒的惰性材料制成 , 可弯曲 , 质量稳定2.具备高的光洁度 , 能够有效避免微生物在其表面聚集而发生腹膜炎3.不透 X 线 , 便于影像学检查4.不受体温、 透析液酸碱度、透析液成分及消毒剂的影响而发生质量改变 , 以防止长期使用过程中发生化学性腹膜炎和异物反应5.导管应在皮下和腹膜上两个部位牢固地与组织结合 , 以有效防止漏液和皮下隧道感染6.具有良好的生物相容性 , 不易被大网膜包裹。理想的腹膜透析导管 Silicone rubber (nearly a
2、ll catheters) Polyurethane (Cruz catheter)Two main materialsThe Most Commonly Used Catheters, by Inner and Outer Shaft Shape(A) Flex-Neck Tenckhoff catheter, silicone (Medigroup, Oswego,IL, U.S.A.);(B) Cruz Tenckhoff catheter, polyurethane; (C) Standard Tenckhof f catheter, silicone; (D) One intrape
3、ritoneal limb of the T-fluted catheter (Ash Advantage: Ash Advantage Technology, Lafayette, IN, U.S.A.), silicone. From S. Ash, with permission. 2.6 mm, the standard size of the Tenckhoff catheter, swan-neck catheter, Missouri swan-neck catheter, and TWH catheter 3.1 mm (Cruz catheter) 3.5 mm Flex-Neck (Medigroup, Oswego, IL, U.S.A.)and Ash Advantage catheters
