我军综合医院中各专科床位比例大致相同,外科床位占全院床位50%左右。但由于手术室的设置条件复杂,物资装备有困难,造成手术室的发展跟不上形势。因此,只有提高手术台的使用率,有时,一室内放置2张手术台,污染手术和清洁手术交替进行使手术间空气污浊,互相干扰。在这样的情况 The proportion of specialized beds in our military general hospitals is roughly the same, and surgical beds account for about 50% of all hospital beds. However, due to the complicated setting conditions of the operating room, there are difficulties in materials and equipment, resulting in the development of the operating room can not keep up with the situation. Therefore, only the use rate of the operating table is increased. Sometimes, two operating tables are placed in a room. Contaminated surgery and clean surgery are performed alternately to make the air in the operating room dirty and interfere with each other. In this situation