内窥镜设备维修融合多领域专业技术，针对不同核心部件，需运用特定技术手段保障维修质量，满足临床使用标准。

　　The maintenance of endoscopic equipment integrates multiple professional technologies from different fields, and specific technical means need to be used to ensure the quality of maintenance for different core components, meeting clinical usage standards.

　　一、光学系统维修技术

　　1、 Optical system maintenance technology

　　镜头修复：在百级洁净车间操作，用干涉仪检测镜片平面度（偏差≤0.001mm），光谱仪确保透光率≥90%。拆卸用钛合金镊子，按序记录镜片位置；清洁用 99.9% 无水乙醇浸润镜头纸，螺旋式轻擦去除污渍。

　　Lens repair: Operate in a Class 100 clean room, use an interferometer to detect the flatness of the lens (deviation ≤ 0.001mm), and use a spectrometer to ensure a transmittance of ≥ 90%. Disassemble with titanium alloy tweezers and record the position of the lens in sequence; Soak the lens paper in 99.9% anhydrous ethanol for cleaning, and use a spiral light wipe to remove stains.

　　光纤束处理：显微镜（50-100 倍）定位断纤，断纤率＜5% 可梳理修复，过高则需更换。新光纤束排列偏差≤0.01mm，两端研磨抛光至粗糙度 Ra≤0.02μm，保证光传输效率。

　　Fiber bundle processing: Microscope (50-100x) locates broken fibers. If the fiber breakage rate is less than 5%, it can be combed and repaired. If it is too high, it needs to be replaced. The deviation of the new fiber bundle arrangement is ≤ 0.01mm, and both ends are ground and polished to a roughness Ra ≤ 0.02 μ m to ensure optical transmission efficiency.

　　二、电子系统修复技术

　　2、 Electronic system repair technology

　　传感器与电路维修：防静电环境操作（接地电阻≤1Ω），示波器检测传感器信号（电压波动≤5mV），热风枪（80-100℃）软化焊点拆卸。电路板故障用万用表检测，元件更换需匹配型号（如贴片电容误差≤5%），320-350℃恒温烙铁焊接，放大镜检查焊点质量。

　　Sensor and circuit maintenance: Anti static environment operation (grounding resistance ≤ 1 Ω), oscilloscope detection of sensor signal (voltage fluctuation ≤ 5mV), hot air gun (80-100 ℃) softening and welding point disassembly. Use a multimeter to detect circuit board faults, and replace components with matching models (such as surface mount capacitor error ≤ 5%). Use a constant temperature soldering iron to solder at 320-350 ℃, and inspect the quality of solder joints with a magnifying glass.

　　图像校准：通过专用软件校准白平衡、灰度等级，确保图像色彩与标准色卡比对偏差≤3%，消除偏色、横纹等问题。

　　Image calibration: By using specialized software to calibrate white balance and grayscale levels, ensure that the color deviation of the image compared to the standard color card is ≤ 3%, and eliminate problems such as color deviation and horizontal stripes.

　　三、机械部件维修技术

　　3、 Mechanical component maintenance technology

　　活动结构维护：弯曲部卡顿需检查关节轴承，磨损间隙＞0.02mm 时更换耐磨合金轴承，涂抹无菌润滑脂防腐蚀。插入管破损用医用修补胶修复，固化 24 小时后确保表面平整度偏差≤0.1mm。

　　Maintenance of activity structure: If the bending part is stuck, check the joint bearings. If the wear clearance is greater than 0.02mm, replace the wear-resistant alloy bearings and apply sterile lubricating grease to prevent corrosion. Repair the damaged insertion tube with medical repair adhesive, and ensure that the surface flatness deviation is ≤ 0.1mm after 24 hours of curing.

　　通道与密封修复：活检通道堵塞用硅胶头通条清理，0.2MPa 无菌水压力测试检测密封性。漏水需更换氟橡胶垫圈（耐温 - 20-200℃），安装时保证 20%-30% 压缩量。

　　Channel and seal repair: The biopsy channel blockage is cleaned with a silicone head strip, and the sealing is tested by a 0.2MPa sterile water pressure test. If there is water leakage, replace the fluororubber gasket (temperature resistance -20-200 ℃), and ensure a compression rate of 20% -30% during installation.

　　四、消毒与性能校准技术

　　4、 Disinfection and Performance Calibration Technology

　　严格消毒流程：酶清洗剂（1%-2% 浓度）浸泡 10 分钟后，环氧乙烷（800-1000mg/L）55℃灭菌 6 小时，通风解析 24 小时至残留量≤10μg/g。

　　Strict disinfection process: After soaking in enzyme cleaning agent (1% -2% concentration) for 10 minutes, sterilize with ethylene oxide (800-1000mg/L) at 55 ℃ for 6 hours, and ventilate for 24 hours until the residual amount is ≤ 10 μ g/g.

　　精准校准：用标准模体检测，视场角偏差≤2°，分辨率≥1000 线对 /mm，弯曲角度与标称值偏差≤5°。电切功能内窥镜需绝缘测试，泄漏电流≤10μA。

　　Accurate calibration: detected using standard molds, with a field of view angle deviation of ≤ 2 °, a resolution of ≥ 1000 line pairs/mm, and a bending angle deviation of ≤ 5 ° from the nominal value. The electric cutting function endoscope requires insulation testing with a leakage current of ≤ 10 μ A.

　　五、软件与系统调试技术

　　5、 Software and System Debugging Techniques

　　程序与固件维护：高端设备程序错误时，专用数据线连接电脑重装固件，升级需接备用电源防断电。

　　Program and firmware maintenance: When there is a program error on high-end devices, a dedicated data cable should be connected to the computer to reinstall the firmware. Upgrading requires connecting to a backup power source to prevent power outages.

　　联动测试：调试各模块联动性（如光源与曝光同步），模拟操作验证响应延迟≤0.5 秒，生成含部件型号、校准数据的维修报告，确保可追溯。

　　Linkage testing: Debug the linkage of each module (such as synchronizing light source and exposure), simulate operation verification response delay ≤ 0.5 seconds, generate maintenance reports containing component models and calibration data to ensure traceability.

　　这些技术的协同应用，结合 ISO13485 等规范，能保障维修后设备的精度与安全性，有效延长使用寿命。

　　The collaborative application of these technologies, combined with specifications such as ISO13485, can ensure the accuracy and safety of equipment after maintenance, effectively extending its service life.

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