目前,monooctanoin是溶解胆石最常用的药物,但需直接引入胆系,与结石充分接触时才有效。它的主要缺点是作用较缓慢。结石溶解需滴注2～4周之久。甲基叔丁基醚(MTBE)是一种比monooctanoin溶解胆固醇结石快50倍的脂肪醚。MTBE的构造与麻醉剂的二乙醚相似,在体温情况下保持液体状态,需滴注引入胆系。作者报导3例认为手术很危险的胆管结石病人直接滴注 Currently, monooctanoin is the most commonly used drug for dissolving gallstones, but it needs to be introduced directly into the gall bladder to be effective only when it is in full contact with the stones. Its main disadvantage is its slower effect. Calcium should be instilled 2 to 4 weeks. Methyl tert-butyl ether (MTBE) is a fatty ether 50 times faster than monooctanoin in dissolving cholesterol stones. The construction of MTBE is similar to that of narcotics in diethyl ether. It maintains liquid state at body temperature and is instilled into the bile. The authors report 3 cases of biliary calculi patients who think the operation is very dangerous