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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device was not returned for analysis.A review of the lot history records revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history of the reported lots revealed no other incidents.The investigation determined the reported difficulties were due to case circumstances.The difficulty removing was due to the balloon catching in the previous implanted stent.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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