血小板的功能主要是促进止血和加速凝血,同时血小板还有维护毛细血管壁完整性的功能[1]。血小板的止血和凝血功能迄今仍没有任何1种医药产品可替代[2]。近年来本市血小板的用量逐年增加,为做到合理采集血小板,保证血小板的临床需求,减少输血危险,防止血液资源的浪费,我们 Platelet function is mainly to promote hemostasis and accelerate coagulation, while platelets also have the function of maintaining the integrity of the capillary wall [1]. So far, there is not any one kind of medical products to replace the hemostatic and coagulation functions of platelets [2]. In recent years, the amount of platelets in the city increased year by year, in order to achieve reasonable collection of platelets, to ensure the clinical needs of platelets, reduce the risk of blood transfusion, to prevent the waste of blood resources, we