Trackwise # (b)(4) updated section: b4, g4, g7, h2, h3, h6, h10 the device was returned to the factory for evaluation on 12/21/2022.An investigation was conducted on 12/27/2022.A visual inspection was conducted.The product was returned in a small outer box and the product packaging was observed to be bent to fit inside the outer box.The black shaft of the harvesting device was observed to be bent when removed from the packaging.Signs of clinical use and evidence of blood were observed on the device.Charred material was also observed between the jaws.The c-ring was observed to be cut in half down the center with signs of melting near the flanking curved areas.The scope wash tubing and retention rib remained attached to the cannula.The scope wash tubing and the c-ring remained attached to the cannula due the presence of a retention rib.The heater wire and clear silicone insulation of the jaws were observed to be intact with no visual defects.Based on the returned condition of the device and the evaluation results, the reported failure "break; c-ring", as well as the analyzed failure "material twisted/bent; shaft" was confirmed.The lot #3000242861 history record review was completed.There were ncmrs, rework, or deviations documented for the reported lot number.On (b)(6) 2022, the compressed air system failed and needed to be repaired.The repair and qualification for production took more than one day to be completed.The testing requiring compressed air could not be completed in the required time.Therefore, the following products were included in this ncmr for evaluation: c-vh-2400, batch# 3000241814, cv000007540, batch# 3000242829, c-vh-4000, batch# 3000242861.Based on the dhr/lhr review results, it was determined that there is no relation between the batch manufacturing process and the reported failure.Specific actions for the failure mode are being maintained and documented under maquet's corrective and preventive action (capa) system.
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