1.設備開啟后，圖像偏色故障分析及排查：在術前需根據手術類型選擇手術模式，調整色調及白平衡，若調節后仍有圖像失真的問題.

1. After the device is turned on, analysis and troubleshooting of image color deviation: Before surgery, the surgical mode should be selected according to the type of surgery, and the color tone and white balance should be adjusted. If there is still image distortion after adjustment

則可調節攝像主機或監視器上的色彩參數，若調節后仍未好轉，懷疑是線路問題及主機問題，應首先查看主機，去掉主機的設備蓋，打開電源和疝燈，查看氣泵、恒流源冷風扇、RGB彩盤是否正常，逐個排查并更換，若非主機問題，則查看是否為攝像頭電路元件老化或變質，若為攝像頭元件老化變質則需更換，若非攝像頭元件問題，則查看變壓器是否正常，更換相應的元件。

The color parameters on the camera host or monitor can be adjusted. If there is still no improvement after adjustment, it is suspected to be a problem with the wiring and the host. First, check the host, remove the device cover of the host, turn on the power and hernia light, and check whether the air pump, constant current source cooling fan, and RGB color disc are normal. Check and replace them one by one. If it is not a problem with the host, check whether the camera circuit components are aging or deteriorating. If it is a problem with the camera components, replace them. If it is not a problem with the camera components, check whether the transformer is normal and replace the corresponding components.

2.內鏡彎曲角度及破裂故障。故障分析及排查：不同廠家內鏡的彎曲角度、大小和方向會有所差異，一般在出廠前均會由廠家統一調試，使用一段時間后，因鋼絲的拉伸及手術操作過程的阻力因素導致角度發生變化，影響診療.

2. Endoscopic bending angle and rupture failure. Fault analysis and troubleshooting: The bending angle, size, and direction of endoscopes from different manufacturers may vary. Generally, they are uniformly adjusted by the manufacturer before leaving the factory. After a period of use, the angle may change due to the stretching of the steel wire and resistance factors during surgical operations, which can affect diagnosis and treatment

因此在使用前應先對彎曲部的角度進行調整和校對，必要時可送回原廠返修，以保證內鏡的安全性。另外內鏡角度鋼絲容易因使用頻率過高而發生斷裂，此種情況需重新更換鋼絲。內鏡使用過程中有黃色液體流出，則考慮為內鏡鏡體破損，若檢查無鏡體破損則懷疑為操作部吸引器按鈕密封不良，可拔出吸引按鈕，檢查密封圈是否存在老化破損，并更換新的配件。

Therefore, the angle of the curved part should be adjusted and calibrated before use, and if necessary, it can be sent back to the original factory for repair to ensure the safety of the endoscope. In addition, the endoscopic angle wire is prone to breakage due to excessive frequency of use, and in this case, the wire needs to be replaced again. If yellow liquid flows out during the use of the endoscope, it is considered that the endoscope body is damaged. If there is no damage to the endoscope body during inspection, it is suspected that the suction button of the operating part is poorly sealed. The suction button can be removed, the sealing ring can be checked for aging and damage, and new accessories can be replaced.

3.送氣、送水、吸引管堵塞類故障。故障分析及排查：因加壓泵高度會影響灌注壓，導致無法送水，因此首先檢查泵體壓是否與患者同高，排除泵體壓故障。其次檢查送氣孔及送水孔是否通暢，可以細鋼絲在內窺鏡結構的前端疏通，一邊通一邊送氣、送水以排除故障。在解除故障后需注意將噴嘴復原，并妥善固定。若非送氣、送水孔堵塞則懷疑為內鏡氣路單向閥門內小彈簧生銹，可打開單向閥門，以酒精棉布擦拭后涂抹專用潤滑油，并重新安裝。

3. Malfunctions such as blockage of air supply, water supply, and suction tubes. Fault analysis and troubleshooting: Due to the height of the booster pump affecting the infusion pressure, water cannot be delivered. Therefore, the first step is to check whether the pump body pressure is the same as the patient's, and eliminate the pump body pressure fault. Next, check if the air and water supply holes are unobstructed. A thin steel wire can be used to clear the front end of the endoscope structure, allowing air and water to be supplied while passing through to troubleshoot the issue. After troubleshooting, pay attention to restoring the nozzle and securing it properly. If the air or water supply holes are not blocked, it is suspected that the small spring inside the endoscopic one-way valve is rusted. The one-way valve can be opened, wiped with an alcohol cotton cloth, coated with special lubricating oil, and reinstalled.

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