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Updated fields - b4, d9 device available for evaluation and date return to manufacturer, g3, g6, h2, h3, h6 (type of investigation, investigation findings, component code, investigation conclusions), h11.Corrected field: b5, d4 (version/model#), serial # should have left blank in previous mdr report, h6 medical device problem code.(b)(6) reported patient with axillary iab alarming multiple leak in iab circuit and autofill failures.No blood in tubing was reported and catheter was repositioned due to retractions sometimes 1-2 times per day.Catheter was replaced and is available for evaluation.The product was returned with the membrane completely unfolded and blood on the interior and exterior of the iab and between catheter and sheath.The iab was returned cut into two separate pieces.The maquet 7.5fr sheath was returned covering the catheter tubing.One kink was observed on the catheter tubing 76.7cm from the iab tip.The extender tubing, pressure tubing and three way-stopcock were returned.An underwater leak test of the balloon membrane, catheter tubing, extracoporeal tubing, extender tubing and pressure tubing was performed and no leaks were found.Due to the condition of the returned iab, it could not be connected to the pump to attempt replicating the reported alarms.The evaluation was unable to confirm the reported failures due to the returned condition of the iab.It was difficult to preform a pumping test due to the condition of the returned iab.The insertion was reported to be axillary, which is not the method described in the device instructions for use.This may have contributed to the reported failure.A lot history record review was completed for the reported product.No nonconformances were found that are considered to be related to the event.The failure mode is addressed in the risk file and is operating within its risk profile.The ifu addresses the reported failure.There were no ncmrs identified which could cause or contribute to the reported failure.The investigation does not indicate that the device was inadvertently released as non-conforming or an adulterated product or was a counterfeit.The complaint history review did not identify an adverse trend (increase in number of complaints over past three (3) months).Based on the rational provided above, no escalation to the capa process is required.The evaluation was unable to confirm the reported failures due to the returned condition of the iab.It was difficult to perform a pumping test due to the condition of the returned iab.The insertion was reported to be axillary, which is not the method described in the device instructions for use.This may have contributed to the reported failure.A lot history record review was completed for the reported product.No nonconformances were found that are considered to be related to the event.
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