Progress in Study on Delivery System of Osmotically Release -controlled and Poorly Water-soluble Drugs
难溶性药物渗透泵型控释制剂的研究进展

This article reviews the study on the delivery system of osmotically Release-controlled and poorly water-soluble drugs from the following four aspects: the thickness and the mechanical permeability of the membrane, the differences of the osmotic pressure and the solubility of Chinese drugs. This study may offer helpful reference for the study of the preparations of Chinese materia medica.