Trackwise # (b)(4).The device was returned to the factory for evaluation on 10/20/2022.An investigation was conducted on 11/02/2022.A visual inspection was conducted.The complete device assembly was returned in its packaging.No signs of clinical use or evidence of blood was observed on the device.There were no visual defects observed on the harvesting device, accessories, or cannula.A microscopic inspection was conducted.The endoloop hole in the end of the c-ring (metal rod side) was visible.A needle was utilized to test the fabrication and depth of the hole.It was able to be partially passed through, but the hole was observed to be occluded by the plastic material of the c-ring and could not pass entirely through.Based on the returned condition of the device and the results of the evaluation, the reported failure "defective device" was confirmed.The dhr, shop floor paperwork was reviewed.The vendor certifies that this device serial/lot conforms to all applicable product specifications.The lot # 3000249229 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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