1988～1990年我科对本区27所医疗机构的门诊消毒工作进行定期检测。在调查的2186个杂管标本中,污染程度居首的是胃镜,阳性率为10.29%,其次是口腔科弯盘(为9.04%)和检验科微量吸管(为10.29%),最低是注射室针筒和持物镊,分别为2.5%和0.5%。在检测796个大肠管标本中,污染 From 1988 to 1990, our department conducted regular tests on out-patient disinfection of 27 medical institutions in this area. Among the 2186 miscellaneous specimens examined, gastroscope with the highest degree of contamination was 10.29%, followed by stomatology (9.04%) and laboratory micropipette (10.29%), the lowest was the injection room Syringe and holding forceps, respectively 2.5% and 0.5%. In the detection of 796 specimens of large intestine, contamination