Trackwise#: (b)(4).The device was returned to the factory for evaluation on 03/13/2024.An investigation was conducted on 03/19/2024.A visual inspection was conducted.Signs of clinical use and evidence of blood was observed.There were no visual defects observed on the intact heater wire or the clear intact clear silicone insulation on both the cold and hot jaws.An electrical evaluation was conducted.A pre-cautery test was performed per the instruction for use (ifu) with a reference cable, adapter and reference power supply vh-3010 at level 3.0.The device passed the pre-cautery test.It produced visible steam and heat during ten (10) 3-second activations and shut off when the toggle was released.A tone was audible from the power supply upon activation.To evaluate the safety shut down system, a polyfuse activation test was performed 5 times over 10 minutes.The device shut off after the period of sustained activation and reactivated after 10-second cooling period with no incident each time.An activation and transection capability test was performed over four (4) repetitions using "max life test method (b)(4) rev aa.The device successfully transected tissue four (4) times.The jaws were gently cleaned of debris and char with a saline and gauze pad as indicated in the direction for use (cv000008979).A temperature and resistance test was conducted to evaluate the device function per hemopro 2 final test (b)(4) rev w.The resistance value was measured at.69 ohms which is within specification.The device passed the temperature measurements test.The displayed temperature increased and turned green within the 2 second specified timeframe.The displayed temperature decreased once the toggle swivel was released.Based on the returned condition of the device as well as the evaluation results, the reported failures "overheating of device" and "electrical /electronic property problem" were not confirmed.The lot # 3000357804 history record review was completed.There were no 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 with the batch manufacturing process.
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