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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Visual and functional inspection was performed on the returned device.The reported balloon rupture was confirmed during analysis of the returned device.The resistance was unable to be confirmed as it was based on case circumstances.Based on the information provided, the reported difficulties appear to be due to operational circumstances of the procedure.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Review of the complaint history of the reported lot revealed no other incidents.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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