Picture can¿t help to determine how the failure mode was caused.No sample has been received for evaluation at this point to perform a better investigation and confirm/discard this kind of problems.No sample retention for stopcocks product.No dhr review was developed for material (b)(4) since no lot number was available.Bd was not able to duplicate or confirm the customer¿s indicated failure mode.Customer reported leakage issues; however no sample was available for evaluation which is essential to perform a better investigation.Quality records have been consulted for tracking and trending purposes and no issues like this are detected which means low occurrence.Product is functional tested and no incidents with leakages have been reported.Process (b)(4) was reviewed and there are proper controls in place to detect product malfunctions.Always refer to ifu for product usage recommendations.We will keep monitoring the manufacturing process and in case any emerging trend is detected, further actions will be taken if necessary.Based on investigation results to date, root cause for manufacturing process cannot be determined.
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