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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Evaluation summary: the device was returned.A visual and functional inspection was performed.The reported rupture was unable to be confirmed.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other similar incidents reported from this lot.The investigation was unable to confirm the reported balloon rupture.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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