With the continuous development of medical technology, medical endoscope has been widely used in the medical field. It has become an indispensable and important medical tool in clinical diagnosis and treatment. Strengthening the management of endoscopic infection and endoscopic disinfection has become an important part of hospital infection management.

　　内窥镜的组成和分类

　　Composition and classification of endoscope

　　医用内窥镜由三部分组成：内窥镜系统、图像显示系统、照明系统，内窥镜根据成像结构可分为硬管内窥镜、光纤内窥镜、电子内窥镜；根据其功能，可分为消化道内窥镜、呼吸系统内窥镜、泌尿系统内窥镜等。

　　Medical endoscope consists of three parts: endoscope system, image display system and lighting system. According to the imaging structure, endoscope can be divided into hard tube endoscope, optical fiber endoscope and electronic endoscope; according to its function, it can be divided into digestive tract endoscope, respiratory system endoscope and urinary system endoscope.
              

　　1纤维内窥镜

　　1 fiber endoscope

　　2电子内窥镜

　　2 electronic endoscope

　　3医院内窥镜系统

　　3 hospital endoscopy system

　　内窥镜感染的原因

　　Causes of endoscopic infection

　　1.内窥镜通道和附件难以；2.自动清洁剂造成的污染；3.剂使用不当；4.内部通道不干燥；5.原因不明。

　　1. Endoscope passage and accessories are difficult to disinfect; 2. Pollution caused by automatic cleaner; 3. Improper use of disinfectant; 4. Internal passage is not dry; 5. Unknown reason.

　　内镜感染的原因分析

　　Analysis of the causes of endoscopic infection

　　《学杂志》报道因内窥镜检查引起的377位感染病例，其中上消化道镜占47.75%，下消化道引起的占26.79%，支气管镜引起的占25.46%。

　　The Chinese Journal of disinfection reported 377 cases of infection caused by endoscopy, of which 47.75% were caused by upper digestive tract, 26.79% by lower digestive tract and 25.46% by bronchoscope.

　　内窥镜传感方案

　　Endoscope sensing solution

　　1医院内镜的清洗和分为两部分：外部硬件系统和各种内镜。外部硬件系统包括图像处理器、监视器、冷光源等。它可以用不含酒精的卫生抹布擦拭。

　　The cleaning and disinfection of endoscopes in hospital are divided into two parts: external hardware system and various endoscopes. The external hardware system includes image processor, monitor, cold light source, etc. It can be wiped with a non-alcoholic sanitary cloth.

　　(2)硬质镜片的步骤：1)将硬质镜片放置在容器上，在清洗和浸泡过程中，将硬质镜片与其他手术器械分开放置；2.用微洁多酶清洗剂清洗，用软、清洁小刷、海绵或纱布；3.清洁后，用干净的纱布擦拭外表面的水分。4.对干燥的五金件进行高温蒸汽，并在操作前将其与其他仪器分开。

　　(2) Disinfection steps of hard lens: 1) place the hard lens on the container, separate the hard lens from other surgical instruments during cleaning and soaking; 2. Clean with micro cleaning multi enzyme cleaning agent, and use soft, clean small brush, sponge or gauze; 3. After cleaning, wipe the water on the outer surface with clean gauze. 4. Sterilize the dry hardware with high temperature steam and separate it from other instruments before operation.

　　3.软镜定时法：软镜定时采用二氧化氯(一次清洗，泡腾片)(1)整个软镜管道注入空气，排出清水，防止水稀释液；(2)将软镜放入剂中充分浸泡，用一次性注射器将剂注入所有管道，直无气泡出现；(3)将软镜、的附件和清洁工具浸泡在剂中，直达到规范要求的浸泡时间；(4)浸泡后，向注射器内注入空气，去除多余的剂，去除多余的剂，取出内窥镜。

　　3. Soft mirror timing disinfection method: the soft mirror timing disinfection adopts chlorine dioxide disinfection (one-time cleaning, effervescent tablets) (1) the whole soft mirror pipe is injected with air, and the clear water is discharged to prevent the water from diluting the disinfectant; (2) the soft mirror is fully immersed in the disinfectant, and the disinfectant is injected into all pipes with a disposable syringe until there is no bubble; (3) the soft mirror, accessories and cleaning tools are immersed in the disinfection After soaking, inject air into the syringe to remove the excess disinfectant, remove the excess disinfectant and take out the endoscope.