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The hospital reported that during an endoscopic vein harvesting procedure, vasoviewhempro (ous) vh-3000, when using the trigger button is not pressed, the automatic heating and burning, the machine also continues to make a working sound, the pliers head appears red, hot, and smoking short circuit performance, after shutdown.They found the forceps end line is exposed, debris falls out, laparoscopic acquisition of the great saphenous vein in order to collect the bridge vessels, as much as possible to protect the venous bridge, due to instrument failure, continuous high temperature, forceps hair hot hair scalding, burning the bridge blood vessels, affecting the function of blood vessels, and delaying the process of surgery.The jaws were not open during insertion.No resistance was noted.The power setting was as usual.No additional incisions or procedures were required.Changing the power cords and adaptor cables did not resolve the issue.In view of potential damage to the vein and the patient, the harvester abandoned the device and used new hemopro device to complete the procedure.The affected device was not used for vein harvesting.The device failed before it insert to the cannulation.When it connected to the power supply, it burned and be hot automatically.No other intervention was required.The patient is out of the hospital and in good condition.There was no harm reported to the patient other than a few minutes of delay to swap the device to complete the operation.
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(b)(4).Corrected section: h6- medical device ¿ problem code (2)- removed code- "1198", h6- removed code -"2930", code added "1557- device remains activated", remaining code from initial- "1454-peeled".The lot # 3000274687 history record review was completed.There were two (02) ncmrs , rework, or deviations documented for the reported lot number.Based on the dhr/lhr review results, it was determined that there is no relation between the batch manufacturing process and the reported failure.
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