The product was returned with the membrane completely unfolded and blood on the interior and exterior of the catheter.An underwater leak test of the balloon, catheter, y-fitting and extracorporeal tubing was performed and two leaks were detected on the membrane at the same location approximately 9.9cm from the rear seal measuring 3.3cm and 1.0cm in length.The reported problems were most likely triggered by the leaks found on the membrane.The penetrations found appear to have been caused by a sharp object.A device and lot history record review was completed for the reported product.No nonconformances were found that are considered to be related to the event.Analysis of production (3331/213) - the device history records review concluded that there were no ncmrs, rework, or deviations documented for the reported lot/serial number.Based on the review results, it was determined that there is no relation between the manufacturing process and the reported failure.Historical data analysis (4109/213) - the review of the historical data was performed.Trend analysis (4110/213) - the overall complaint trend data for the period may-19 to apr-21 was reviewed.Communication/interviews: (4111/213) communication/interviews were performed to obtain all possible information.Reference complaint #: (b)(4).
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