surface biopsy

Results Specimens collected from 115 ( 95.8%) on operating part and 120 ( 100%) on endoscopic surface and biopsy channel were positive in culture before cleaning.

结果①清洗前胃镜污染情况严重，细菌培养阳性为：操作部115例（95.8%），镜身、钳道120例（100%）；

A Comparative Study of Methods Detecting HB Surface Antigen in Liver Biopsy Specimens

肝活检标本中检测乙型肝炎表面抗原方法的比较

Gastroscopes of each group were divided into 2 min and 4 min group ( 30 patients for each group) for the different EOW disinfection time. Specimens were collected from operating part, endoscopic surface, and biopsy channel after EOW disinfection for 2 min or 4 min.

两组胃镜清洗后按EOW浸泡消毒时间2min和4min各分两个时间组，每组30例，消毒后留取镜身、钳道和操作部样本进行细菌培养，检测EOW的消毒效果。