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Operating procedures and common troubleshooting for endoscope cleaning and disinfection
Release time:
2025-03-12 09:39
Cleaning steps: 1. Preprocessing: Immediately after use, wipe the outer surface of the endoscope with a wet gauze, place it in a container and send it to the cleaning and disinfection room, and check whether the mirror and other parts have any leaks or damage;
2. Water wash: Thoroughly wash all parts of the endoscope with running water, and thoroughly clean each lumen with a high-pressure water gun;
3. Enzyme wash: After the endoscope is cleaned and dried, soak it in an enzyme washing tank.
4. Cleaning: Removable parts must be disassembled and cleaned, and cleaned with an ultrasonic cleaner for 5-10 minutes; the shaft joints, bends, and lumens of the instruments should be brushed with a soft brush. When brushing with a brush, be careful not to scratch the mirror surface.
5. Disinfection and sterilization: Select the correct disinfection method according to the endoscope Specification; (negative pressure aspirator, ultrasonic aspirator, high-pressure water gun, drying equipment, timer, etc.);
Disassembled mirrors are recommended to be disinfected using low-temperature plasma;
Disinfection and sterilization should be performed according to the different parts of the human body where the endoscope is used. For example, endoscopes and their accessories that Enter natural channels in the human body and contact the mucous membrane of the lumen should undergo high-level disinfection and sterilization before use.
Several common fault repairs
Water leakage in the forceps tube: Mostly due to improper use of accessories such as biopsy forceps, causing damage to the biopsy tube. When the field of vision is not blurred, C-level repair
Broken guide tube bundle: Caused by frequent use and poor bending tube, C+ level repair of the light guide bundle
Broken wire tip: Caused by frequent use, C-level repair
Insufficient bending angle: The wire becomes longer after a certain period of use, D-level repair. Disassemble and shorten the wire in the corresponding direction, but the bending tube must be checked for good condition.
Water leakage in the bending rubber: Mostly caused by collisions, D-level repair, replace the special rubber
Nozzle blockage: Not cleaned, C-level repair, replace the nozzle
Many black spots or cracks in the image bundle: Caused by frequent use of fiber endoscopes, A-level repair
Specific faults need to be carefully determined by leakage test, drying, and disassembly inspection before repair can be determined.
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