我们于 1997年 11月开始研制一种用于脑动静脉畸形 (ＡＶＭ )治疗的新型液体栓塞材料———甲基丙烯酸共聚物 (Ｅｕｄｒａｇｉｔ Ｅ) ,进行Ｅｕｄｒａｇｉｔ和α 氰基丙烯酸正丁酯 (ＮＢＣＡ)的对比研究。一、材料与方法1.栓塞材料 :α 氰基丙烯酸正丁酯 ,由解放军总医院生产 ; We started in November 1997 to develop a new liquid embolic material for the treatment of cerebral arteriovenous malformations (AVM), methacrylic acid copolymer (Eudragit E), Eudragit and α-n-butyl α-cyanoacrylate (NBCA ) Of the comparative study. First, the material and methods 1. Embolic material: Alpha cyanoacrylate, produced by the PLA General Hospital;