盐酸维拉帕米片，1.心绞痛：变异型心绞痛；不稳定性心绞痛；慢性稳定性心绞痛。2.心律失常：与地高辛合用控制慢性心房颤动和 / 或心房扑动时的心室率；预防阵发性室上性心动过速的反复发作。3.原发性高血压
目的：考察影响盐酸维拉·帕米脉冲片控时效果的因素。
OBJECTIVE: to investigate the factors that influence dissolution characters of pulsed release tablet (PRT) of verapamil.
以盐酸维拉帕米为模型药物，制备了口服渗透泵片。通过考察渗透泵片体外释药各过程的速率，研究口服渗透泵制剂释药的基本过程及其特性。
The main processes of the drug delivery of oral osmotic pump system were studied to investigate its delivery characteristics, with verapamil hydrochloride as the model drug.
应用推荐