甘油明胶基质由于有弹性,不易折断,在腔道内能缓缓溶于体液而释放出药物,故经常被采用。传统配制法为取适量蒸馏水将明胶浸渍1小时,沥去多余水份,置已知重量的容器内,加甘油于水浴上加热搅拌至明胶全部胶洛,趁热用纱布过滤,滤液放冷凝固。备用。缺点是胶溶时间长、不易过滤、水分不易掌握以致质量不稳定. 改进后 Glycerol gelatin matrix because of elasticity, not easy to break in the cavity can slowly dissolve in body fluids and release of drugs, it is often used. The traditional preparation method is to take the right amount of distilled water, gelatin immersion 1 hour, drain off excess water, set the known weight of the container, add glycerin heated in a water bath until all gelatin gel Luo, hot with gauze filtration, . spare. The disadvantage is the peptization for a long time, not easy to filter, moisture is not easy to grasp the quality of instability. After the improvement