以往分离后的血小板浓缩液保存期一直为6小时,从1984年10月起,日本各中心血站将保存期改为48小时。下面简单介绍一些有关问题。一、制备保存和使用(一)制备全血以550g 离心5分钟,制成富血小板血浆,再将此血浆以650g 离心15分钟,去血浆制得血小板浓缩液。200ml 全血制得的浓缩液为1个单位,其中含血小板数在 In the past, platelet concentrates after the preservation of the preservation period has been 6 hours, from October 1984 onwards, Japan center blood bank will save the period to 48 hours. Here’s a brief description of some of the issues. Preparation and preservation (a) Whole blood was prepared by centrifugation at 550g for 5 minutes to prepare platelet-rich plasma, which was centrifuged at 650g for 15 minutes to obtain plasma platelet concentrate. 200ml whole blood concentrate obtained as a unit, including the number of platelets in