Trackwise # (b)(4).The device was not returned to maquet cardiac surgery for investigation, however a photograph was provided by the account.A photographic inspection was conducted on 02/16/2023.Signs of clinical use and a procedure was observed.White material was observed in the photograph closest to the harvesting device.The c-ring was observed to be intact with no visual defects observed.Based on the photographic evaluation, the reported failure "particulates" was confirmed, however due to the non-return of the device, we are unable to test the device.A lot history record review was completed for lots 3000263850, 3000262457, and 25163320 the last 3 lots shipped to the account prior to the event/aware date.For the lot # 3000263850: there were 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.For lot # 3000262457: 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.For lot # 25163320: there were two (02) 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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