1994年 1月起 ,我们采用结扎法对89例门静脉高压食管静脉曲张患者及上消化道息肉 80例进行内镜下治疗 ,取得了较好效果 ,本文对比采用的几种结扎器临床应用的疗效及优缺点。1　临床资料1 1　 1994年 1月起 ,我们采用机械牵拉式单发结扎器 (进口产品 )治疗门脉高压食管静脉曲张 Since January 1994, we have performed endoscopic treatment of 89 patients with portal hypertension oesophageal varices and 80 cases of upper gastrointestinal polyps with ligation, and achieved good results. The clinical efficacy of several ligators used in this study was compared. And the advantages and disadvantages. 1 Clinical data 1 1 Since January 1994, we have used a mechanical pull-type ligation device (imported product) to treat portal hypertension oesophageal varices