methods:the operating room as a sterile room was strictly divided from the clean area. a system of emergency equipment was set up.
方法:导管室严格区分清洁区与无菌区,有一套应急抢救设备。
methods under the different climatic conditions, 180 sterile packages of wrinkle paper were preserved in sterile room and a sterile test was conducted after 7,14,30,60, and 90 days.