Trackwise # (b)(4).Updated section: b4, g4, g7, h2, h3, h6, h10.The device was returned to the factory for evaluation on 10/16/2023.An investigation was conducted on 10/17/2023.An visual inspection was conducted.Signs of clinical use and evidence of blood were observed on the device.The harvesting device was returned inside the cannula.The c-ring was observed to be intact with no visual defects.A large piece of tissue was observed in the curve of the c-ring.The heater wire and gray silicone insulation of the jaws were observed to be intact with no visual defects.A severe kink was observed in the black shaft of the harvesting device.A mechanical evaluation was conducted.The c-ring slider was manipulated to retract the c-ring into the cannula with no physical difficulties.The blue toggle of the harvesting device was manipulated to open and close the jaws, however the jaws did not fully open due to the kinked state of the shaft.Based on the returned condition of the device and evaluation results, the reported failure "mechanical problem; c-ring" was not confirmed, however the analyzed failures "material twisted/bent; shaft" and ""mechanical problem; jaws" were confirmed.The lot # 3000335670 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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