Trackwise # (b)(4).Updated section: b4, g4, g7, h2, h3, h6, h10.The device was returned to the factory for evaluation on 09/26/2022.An investigation was conducted on 10/17/2022.A visual inspection was conducted.Signs of clinical use and evidence of blood and charred material was observed on the hater wire and the jaws.There were no visual defects observed on the jaws or the heater wire.The c-ring was observed to be intact, with no visual defects observed.The harvesting device was returned partially inserted into the cannula.There were no visual defects observed on the cannula.A mechanical evaluation was conducted.The harvesting device was removed from the cannula with no physical or visual difficulties observed.A reference endoscope was inserted into the cannula until it snapped into place with no visual or physical difficulties observed.The harvesting device was then inserted into the cannula with no physical or visual difficulties observed.Based on the returned condition of the device as well as the evaluation results, the reported failure "fitting problem-tool" was not confirmed.The lot 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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