The product was returned with the membrane completely unfolded and blood found on the exterior.No damaged was observed on the iab catheter.An underwater leak test of the balloon, catheter, y-fitting and extracorporeal tubing was performed and no leaks were detected.The iab was placed on the cs300 pump and the iab fully inflated.No alarm sounded from the pump.The reported event cannot be confirmed by the evaluation.A non-conforming material report review was completed for the reported product.No nonconformances were found that are considered to be related to the event.The device history records review concluded that there were no ncmrs, rework, or deviations documented for the reported lot/serial number.Based on the dhr/lhr review results, it was determined that there is no relation between the manufacturing process and the reported failure.The review of the historical data indicates that no other similar complaint was reported for the same lot/serial number and reported failure mode.The overall complaint trend data for the period apr-19 to mar-21 was reviewed.There were no triggers identified for the review period.Communication/interviews were performed to obtain all possible information.Reference complaint #(b)(4).
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