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药物的给药形式不仅要完全满足治疗效果,而且要用最方便的手段输送到需要的部位。为了针对治疗的需要,发展更好的和安全性更高的方法,现在的给药系统还需要进一步改善。作出新的医药治疗体是廿一世纪中适应医疗要求的新制剂学的一个发展方向。为了发挥药物的确切效果,要求达到以下几点: (1) 使一定量的药物以规定的速度输入循环系统;(2)确切地到达作用部位;(3)在要求的时间内到达作用部位;(4)要求在必要的时间内持续作用。
Drug delivery forms not only fully meet the therapeutic effect, but also to the most convenient means of delivery to the desired site. In order to respond to the needs of treatment and to develop better and safer methods, current drug delivery systems still need to be further improved. Making new medical treatments is one of the new directions for the development of new preparations that meet the medical requirements of the twenty-first century. In order to achieve the exact effect of the drug, the following points are required: (1) a certain amount of drug is delivered to the circulatory system at a prescribed rate; (2) the site of action is exactly reached; (3) the site of action is reached within the required time; (4) Requires continuous effect within the necessary time.