We have not received the complaint device for evaluation.Hence, we could not conclusively determine the root cause of the defect.Our manufacturing team does conduct 100% inspection on each device and test them for balloon functionality.Each of the balloons are inflated with air using a syringe and then inspected to ensure balloons open concentric.It is possible that during manufacturing, the balloons were poorly assembled which led to non-concentric inflation of the balloon.Our review of the lot history records for this lot did not find any discrepancies either in the manufacturing or packaging process that could be related to this incident.Further, we have not received any other complaints of similar nature for devices from this lot.Therefore, we believe that it was an isolated incident.This catheter was not used for the surgery.Procedure was completed using another catheter that they had in stock.
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