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ＰＴＣＤ／ＰＴＧＢＤ是治疗恶性梗阻性黄疸的重要手段，这一治疗措施得以有效实施的关键之一是避免导管的滑脱，伞状导鞘管和猪尾巴导管比较满意地解决这一难题。我们在这方面做了一些工作，现将有关技术和经验报告如下。１ 临床资料１．１ 一般资料 全组２２例，男１５例
PTCD/PTGBD is an important method for the treatment of malignant obstructive jaundice. One of the keys to the effective implementation of this treatment is to prevent the catheter from slipping. Umbrella-sheathed catheters and pigtail catheters are a satisfactory solution to this problem. We have done some work in this area and now report the relevant technologies and experiences as follows. 1 Clinical data 1.1 General information 22 cases in all groups, 15 males