1936年,Crafoord和Frenckner首先倡导用硬化剂注射治疗食管曲张静脉破裂出血。1973年,Johnston和Rodgers的报道重又唤起人们对此的重视。所使用的内窥镜有两种:硬质的食道镜和纤维内窥镜。硬质食道镜可于远端纵行开槽,使一根曲张静脉突入管腔便于注射,然后旋转镜身以压迫已注射硬化剂的曲 In 1936, Crafoord and Frenckner first advocated the use of sclerotherapy for esophageal variceal bleeding. In 1973, reports by Johnston and Rodgers again aroused people’s attention. There are two types of endoscopes to use: hard endoscopy and fiber endoscopy. Rigid esophagogascope can be slotted in the distal longitudinal, so that a varicose vein into the lumen for injection, and then rotate the mirror body to oppression has been injected hardener song