胆管癌的手术切除率很低,临床上常施行胆道外引流术,以解除胆管梗阻。1996～1998年,我院应用德国BARD-Angiomed公司生产的中心静脉导管插管器械,对不能手术切除的胆管癌15例行胆道外引流术,引流效果满意。1　临床资料1.1　一般情况　本组男12例,女3例;年龄42～75岁。发现黄疸20 The surgical resection rate of cholangiocarcinoma is very low, and external biliary drainage is often performed in clinical practice to relieve biliary obstruction. From 1996 to 1998, our hospital applied a central venous catheter intubation device manufactured by German BARD-Angiomed company and performed external biliary drainage for 15 cases of unresectable cholangiocarcinoma. The drainage results were satisfactory. 1 Clinical data 1.1 General The group of 12 males and 3 females; aged 42 to 75 years old. Discovered Astragalus 20