内镜的生产工艺非常精密，而一些常见的故障往往是由于平时不规范的操作所致。下面就几种常见故障的原因及避免方法做一介绍。
The production process of endoscope is very precise, and some common faults are often caused by irregular operation. The following is an introduction to the causes and avoidance methods of several common faults.
喷嘴堵塞
Nozzle blockage
1．先端部不小心与硬物碰撞→喷嘴变形→喷嘴堵塞（不适当的内镜保养是造成堵塞的主要原因）
1. Tip accidentally collides with hard objects → nozzle deformation → nozzle blockage (improper endoscopic maintenance is the main cause of blockage)
2．使用内镜后没有立即清洗→脏物凝固在喷嘴里→喷嘴堵塞
2. The endoscope is not cleaned immediately after use → dirt solidifies in the nozzle → the nozzle is blocked
3．前没有用洗涤剂彻底洗净内镜→液使蛋白质凝固→喷嘴堵塞
3. The endoscope is not thoroughly cleaned with detergent before disinfection → the disinfectant coagulates the protein → the nozzle is blocked
4．擦拭镜面时方向错误→棉纱塞进喷嘴里→喷嘴堵塞
4. The direction is wrong when wiping the mirror → cotton yarn is stuffed into the nozzle → nozzle is blocked
5．喷嘴堵塞后用针挑或将喷嘴自行拆除→喷嘴坏损或导致内部管更易堵塞→喷嘴堵塞
5. After the nozzle is blocked, pick it with a needle or remove it by itself → the nozzle is damaged or the internal pipe is easier to be blocked → the nozzle is blocked
6．清洗时，使用有问题的清洗附件→脏物随灌洗送到内镜中→喷嘴堵塞
6. When cleaning and disinfection, use the problematic cleaning accessories → the dirt is sent to the endoscope with irrigation → the nozzle is blocked
怎样避免喷嘴堵塞
How to avoid nozzle blockage
1．操作内镜时要小心。
1. Be careful when operating the endoscope.
2．内镜用后应立即清洗。
2. The endoscope should be cleaned immediately after use.
3．内镜前必须彻底洗净。
3. The endoscope must be thoroughly cleaned before disinfection.
4．擦拭镜面时应顺着喷嘴的方向
4. Wipe the mirror along the direction of the nozzle
5．喷嘴堵塞后切勿用针挑或将喷嘴自行拆除。
5. After the nozzle is blocked, do not pick it with a needle or remove it by yourself.
6．清洗内镜前应彻底检查清洗附件是否有毛病。
6. Before cleaning the endoscope, thoroughly check whether the cleaning accessories are defective.
送水、送气不畅
Poor water and air supply
1．水瓶接口里的O型环损坏→水灌到送气管里→送水、送气不畅和导致送水/气按钮漏水
1. The O-ring in the water bottle interface is damaged → water is poured into the air supply pipe → poor water and air supply and water leakage of the water / air supply button
2．水瓶盖里的O型环损坏/遗失/变形/安装不宜→气体从水瓶漏出→不能送水、送气
2. The O-ring in the water bottle cover is damaged / lost / deformed / unsuitable for installation → gas leaks from the water bottle → water and air supply are not allowed
3．不适当的清洗保养使内管道堵塞或喷嘴堵塞→送水、送气不畅
3. Improper cleaning and maintenance makes the inner pipe or nozzle blocked → poor water and air supply
4．使用内镜后没有立即清洗→脏物凝固在送水送气管内→送水、送气不畅
4. The endoscope is not cleaned immediately after use → dirt solidifies in the water supply pipe → poor water and air supply
5．清洗时使用有问题的清洗附件→脏物随灌洗送到内镜中，脏物把送水/气管堵塞→送水、送气不畅
5. Use problematic cleaning accessories during cleaning and disinfection → dirt is sent to the endoscope with irrigation, and the dirt blocks the water supply / air pipe → poor water supply and air supply
6．前没有彻底洗净内镜→液使蛋白质凝固→送
6. The endoscope is not thoroughly cleaned before disinfection → the disinfectant coagulates the protein → send
水/气管与喷嘴堵塞
Water / gas pipe and nozzle blockage
怎样避免送水、送气不畅的问题
How to avoid the problem of poor water and air supply
1．操作内镜时要小心。
1. Be careful when operating the endoscope.
2．使用内镜后应立即清洗。
2. Wash the endoscope immediately after use.
3．内镜前必须彻底洗净。
3. The endoscope must be thoroughly cleaned before disinfection.
4．擦拭镜面时应顺着喷嘴的方向
4. Wipe the mirror along the direction of the nozzle
5．清洗内镜前应彻底检查清洗附件有否完好。
5. Before cleaning the endoscope, thoroughly check whether the cleaning accessories are intact.
6．使用水瓶前应认真检查其密封性。
6. Carefully check the tightness of the water bottle before using it.
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