维修流程：环环相扣的精密工序​

Repair process: Precise interlocking processes

一、全面检测，精准定位​

1、 Comprehensive testing and precise positioning

维修的第一步是对故障鼻窦镜进行全面检测。维修工程师借助专业的检测设备，如光学检测仪、电路测试仪等，对光学系统、照明系统、机械结构等进行逐一排查。通过光学检测仪观察镜片的清晰度、成像质量，判断是否存在镜片损坏、移位等问题；利用电路测试仪检测光源模块的电压、电流，确定电路是否正常。同时，对镜体的弯曲度、钳道的通畅性、操作部的灵活性进行细致检查，准确记录故障现象与位置，为后续维修提供依据。​

The first step in maintenance is to conduct a comprehensive inspection of the faulty sinus endoscope. Maintenance engineers use professional testing equipment such as optical detectors, circuit testers, etc. to conduct a thorough inspection of optical systems, lighting systems, mechanical structures, etc. Observe the clarity and imaging quality of the lens through an optical detector to determine if there are any issues such as lens damage or displacement; Use a circuit tester to test the voltage and current of the light source module to determine if the circuit is functioning properly. At the same time, a detailed inspection is carried out on the curvature of the mirror body, the smoothness of the clamping channel, and the flexibility of the operating part, accurately recording the fault phenomenon and location, providing a basis for subsequent maintenance. ​

二、拆解清理，谨慎操作​

2、 Disassemble and clean, operate with caution

在明确故障后，需对鼻窦镜进行拆解。由于鼻窦镜结构精密，内部零件微小且复杂，拆解过程必须谨慎操作。维修工程师使用专用的精密工具，按照特定顺序逐步拆卸各个部件，避免因操作不当造成二次损坏。拆解完成后，对所有零件进行彻底清理，去除表面的污渍、锈迹和残留杂质。对于光学镜片，采用无尘布和专用清洁剂轻轻擦拭，确保镜片表面洁净无污；对于机械零件，则使用超声波清洗机进行深度清洁，去除顽固污垢。​

After identifying the malfunction, the sinus endoscope needs to be disassembled. Due to the precise structure of the sinus endoscope and the small and complex internal components, the disassembly process must be handled with caution. Maintenance engineers use specialized precision tools to gradually disassemble each component in a specific order to avoid secondary damage caused by improper operation. After disassembly, thoroughly clean all parts to remove surface stains, rust, and residual impurities. For optical lenses, gently wipe them with a dust-free cloth and specialized cleaning agent to ensure that the surface of the lens is clean and free of dirt; For mechanical parts, ultrasonic cleaning machines are used for deep cleaning to remove stubborn dirt. ​

三、修复更换，技术攻坚​

3、 Repair and replacement, technical breakthroughs

针对检测出的故障部件，维修工程师根据损坏程度选择修复或更换。对于轻微划痕的光学镜片，可采用抛光技术进行修复，通过精细的打磨和抛光处理，恢复镜片的光洁度和透光率；若镜片损坏严重，则需更换同规格的全新镜片，并重新进行光学校准，确保成像清晰、准确。对于断裂的光纤，需使用光纤熔接机进行熔接修复，将断裂的光纤两端精确对接并熔合，恢复光传导性能；若光纤老化严重，则整体更换新的光纤束。对于机械结构故障，如镜体弯曲，可通过专业的矫形设备进行校正；钳道堵塞则使用专用的疏通工具进行清理，必要时更换损坏的钳道部件；操作部失灵的问题，多是由于内部弹簧、齿轮等零件磨损，需更换相应零件并重新调试，确保操作灵活顺畅。​

For the detected faulty components, maintenance engineers choose to repair or replace them according to the degree of damage. For optical lenses with slight scratches, polishing technology can be used for repair, restoring the smoothness and transparency of the lens through fine polishing and polishing treatment; If the lens is severely damaged, it is necessary to replace it with a brand new lens of the same specification and perform optical calibration again to ensure clear and accurate imaging. For broken optical fibers, a fiber fusion splicer needs to be used for fusion repair, accurately docking and fusing the two ends of the broken fiber to restore its optical conductivity; If the fiber optic aging is severe, replace the entire fiber optic bundle with a new one. For mechanical structural failures, such as mirror bending, they can be corrected using professional orthopedic equipment; If the clamping channel is blocked, use specialized dredging tools to clean it, and replace damaged clamping channel components if necessary; The problem of malfunction in the operation department is often due to wear and tear of internal springs, gears, and other parts, which require replacement of corresponding parts and re debugging to ensure flexible and smooth operation. ​

四、组装调试，严格检验​

4、 Assembly and debugging, strict inspection

完成部件修复或更换后，将鼻窦镜进行重新组装。组装过程同样需要严格按照操作规范进行，确保各个部件安装到位、连接紧密。组装完成后，对鼻窦镜进行全面调试，检查光学系统的成像质量、照明系统的亮度和稳定性、机械结构的操作性能等。通过模拟实际使用场景，对鼻窦镜进行多次测试，确保各项功能正常。最后，按照医疗器械的质量标准进行严格检验，只有通过所有检测项目的鼻窦镜，才能判定为维修合格，重新投入临床使用。

After completing component repair or replacement, reassemble the sinus endoscope. The assembly process also needs to strictly follow the operating specifications to ensure that each component is installed in place and connected tightly. After assembly, conduct comprehensive debugging of the sinus endoscope, check the imaging quality of the optical system, the brightness and stability of the lighting system, and the operational performance of the mechanical structure. By simulating actual usage scenarios and conducting multiple tests on the sinus endoscope, ensure that all functions are functioning properly. Finally, strict inspection is carried out according to the quality standards of medical devices. Only sinus endoscopes that pass all testing items can be judged as repaired and put back into clinical use.

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