Application of osmotic pump technology in Chinese materia medica preparation / 中草药

As a representative of controlled release preparations, osmotic pump has become a hot spot in the new preparation researches of Chinese materia medica (CMM). This paper reviewed CMM osmotic pump preparation from the following aspects: structure type of osmotic pump preparation, adjuncts of osmotic pump preparation of CMM, in vivo evaluation, and problems existing currently, which aimed to provide ideas and methods for the development of CMM osmotic pump preparation.