Preliminary investigation of on-the-spot experiment on digestive endoscope washer

Objective: To investigate the cleaning and disinfectant effect of a digestive endoscope washer. Methods: Two groups were set up. They were: without cleaning and disinfection group; with cleaning and disinfection group. Samples respectively collected from operating section, forceps valve, forceps channel tube and distal end section were tested for general bacteria, bacterial spores, fungi, mycobacteria and helicobacteria pylori after bacteria culture. Results: The general qualification rate of with cleaning and disinfection group was 73.33%. Conclusions: It is necessary to wash by hands before cleaning and disinfection with washer.