Trackwise#: (b)(4).The device was returned to the factory for evaluation on 05/24/2023.An investigation was conducted on 05/31/2023.A visual inspection was conducted.Sings of clinical use and evidence of charred material was observed on the heater wire.The heater wire was flexed away from the hot jaw at the center due to normal clinical use.There were no visual defects observed on the clear silicone insulation on both the cold and hot jaws.No melting or thermal defects were observed.Based on the returned condition of the device as well as the evaluation results, the reported failure "thermal decomposition of device" was not confirmed.The lot # 3000279125 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 between the batch manufacturing process and the reported failure.
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