It was reported that the blue flexible stiffener was difficult to remove from the catheter included in the ultrathane cope nephroureterostomy set.On the back table, the drain and stiffener were flushed and assembled.The assembly was wiped down.It was then found that the stiffener had become stuck in the catheter.The patient did not experience any adverse effects due to this occurrence.The product malfunction added 10 to 15 minutes to the procedure time.This occurred twice with two devices from the same lot.Both catheters were returned to the manufacturer for evaluation on (b)(6) 2023.During the preliminary device failure analysis, it was found that both devices exhibited signs of difficult removal.One of the stiffeners was returned with the hub separated.Additional information regarding event details has been requested but is currently unavailable.
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