一、故障诊断​

1、 Fault diagnosis

当腹腔镜出现故障送至维修中心，专业技术人员首先会与使用科室进行详细沟通，了解故障发生的具体情形，如是否在手术过程中突然黑屏、图像是否模糊、镜头是否存在雾气等。随后，运用专业检测设备对腹腔镜进行全面检查，包括光学系统、电气系统、机械结构等。例如，使用专用的图像测试卡检测镜头的成像质量，通过电气检测仪检查线路是否存在短路或断路情况。在这个过程中，技术人员凭借丰富的经验和专业知识，对故障进行初步定位和分析。​

When the laparoscope malfunctions and is sent to the repair center, professional technicians will first communicate in detail with the department using it to understand the specific situation of the malfunction, such as whether the screen suddenly goes black during the surgery, whether the image is blurry, and whether there is fog on the lens. Subsequently, professional testing equipment was used to conduct a comprehensive examination of the laparoscope, including optical systems, electrical systems, mechanical structures, etc. For example, using a dedicated image testing card to check the imaging quality of the lens, and using an electrical detector to check for short circuits or open circuits in the circuit. During this process, technicians rely on their rich experience and professional knowledge to preliminarily locate and analyze faults. ​

二、拆解与清洁​

2、 Disassembly and Cleaning

确定故障部位后，技术人员会小心翼翼地对腹腔镜进行拆解。由于腹腔镜结构精密，内部零件微小且脆弱，每一个操作都需高度谨慎，稍有不慎就可能损坏零件。拆解完成后，对各个零部件进行深度清洁。对于光学镜头，使用专用的清洁剂和无尘擦拭布轻轻擦拭，去除表面的污渍、指纹和残留的手术污染物；对于机械部件，采用超声波清洗机进行清洗，利用超声波的空化效应，清除部件缝隙中的污垢和杂质，确保清洁彻底。​

After identifying the fault location, technicians will carefully disassemble the laparoscope. Due to the precise structure of laparoscopy and the small and fragile internal components, every operation requires a high degree of caution, as even a slight mistake may damage the parts. After disassembly, thoroughly clean each component. For optical lenses, use specialized cleaning agents and dust-free wiping cloths to gently remove surface stains, fingerprints, and residual surgical contaminants; For mechanical components, ultrasonic cleaning machines are used for cleaning, utilizing the cavitation effect of ultrasonic waves to remove dirt and impurities from the gaps of the components, ensuring thorough cleaning. ​

三、零件修复与更换​

3、 Parts repair and replacement

根据故障诊断结果，对损坏的零件进行修复或更换。对于光学镜头的轻微划痕，技术人员会采用专业的研磨和抛光技术进行修复，恢复镜头的透光性和成像清晰度；若镜头出现严重破损或无法修复的情况，则更换为原厂同规格的镜头。对于电气线路的故障，如线路老化、接触不良等，会仔细排查并更换损坏的导线或接头；对于机械结构中的磨损部件，如密封环、弹簧等，及时进行更换，确保机械部件的正常运行和密封性。​

According to the fault diagnosis results, repair or replace the damaged parts. For minor scratches on optical lenses, technicians will use professional grinding and polishing techniques to repair them, restoring the transparency and imaging clarity of the lens; If the lens is severely damaged or irreparable, replace it with a lens of the same specifications from the original factory. For electrical circuit faults such as aging and poor contact, we will carefully investigate and replace damaged wires or connectors; For worn parts in mechanical structures, such as sealing rings, springs, etc., they should be replaced in a timely manner to ensure the normal operation and sealing of the mechanical components. ​

四、组装与调试​

4、 Assembly and Debugging

在完成零件修复或更换后，按照严格的组装顺序将各个零部件重新组装起来。组装过程中，精确控制零件的安装位置和紧固力度，确保各部件之间的配合精度。组装完成后，对腹腔镜进行全面调试。再次检测光学系统的成像质量，调整焦距、白平衡等参数，使图像达到最佳状态；测试电气系统的稳定性，检查设备是否能正常启动、运行，各项功能是否正常；对机械结构进行性能测试，如检查镜头的旋转、伸缩是否灵活顺畅，器械通道是否畅通无阻等。只有通过所有调试环节，确保腹腔镜各项指标符合标准后，才会进入下一个环节。​

After completing the repair or replacement of the parts, reassemble each component according to a strict assembly sequence. During the assembly process, accurately control the installation position and fastening force of the parts to ensure the precision of the fit between each component. After assembly, conduct comprehensive debugging of the laparoscope. Recheck the imaging quality of the optical system, adjust parameters such as focal length and white balance to achieve optimal image quality; Test the stability of the electrical system, check whether the equipment can start and operate normally, and whether all functions are normal; Conduct performance tests on mechanical structures, such as checking whether the rotation and extension of the lens are flexible and smooth, and whether the instrument passage is unobstructed. Only after ensuring that all indicators of the laparoscope meet the standards through all debugging steps, can we proceed to the next step. ​

五、质量检测与验收​

5、 Quality inspection and acceptance

维修后的腹腔镜还需经过严格的质量检测。使用专业的检测设备对其进行全方位性能检测，包括图像分辨率、色彩还原度、亮度均匀性、电气安全性等。同时，模拟手术环境进行实际操作测试，检验腹腔镜在真实使用场景下的稳定性和可靠性。只有当所有检测项目都合格，并经过使用科室的验收确认后，维修后的腹腔镜才会被重新投入临床使用。

The repaired laparoscope still needs to undergo strict quality inspection. Use professional testing equipment to conduct comprehensive performance testing, including image resolution, color reproduction, brightness uniformity, electrical safety, etc. At the same time, simulate the surgical environment for practical operation testing to verify the stability and reliability of laparoscopy in real use scenarios. Only when all testing items are qualified and confirmed by the using department, will the repaired laparoscope be put back into clinical use.

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