内密外疏微孔结构膨体聚四氟乙烯管式纤维膜的制备及人工血管应用

李成才, 朱登辉, 殷向, 朱海霖, 张华鹏, 刘国金, 郭玉海, 刘炳荣

Preparation of polytetrafluoroethylene tubular fiber membranes with dense inner and sparse outer pore structure and its application in artificial blood vessels

LI Chengcai, ZHU Denghui, YIN Xiang, ZHU Hailin, ZHANG Huapeng, LIU Guojin, GUO Yuhai, LIU Bingrong

表2 不同ePTFE样品的顺应性

Tab.2 Compliances of different ePTFE samples

ePTFE样品 不同压力下径向顺应性 纵向顺应性 低压 (7~12 kPa) 中压 (10.7~16.0 kPa) 高压 (14.7~20.0 kPa) 一次定形 0.11±0.01 0.11±0.01 0.12±0.01 0.51±0.01 二次定形 1.23±0.01 2.56±0.01 3.98±0.01 15.51±0.01