(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device is expected to be returned for evaluation.It has not yet been received.A follow up report will be submitted with all additional relevant information.
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(b)(4).Evaluation summary: a visual inspection was performed and the reported material rupture was confirmed.Additionally, the shaft was found separated distal to the strain relief tubing and the proximal marker was loose on the inner member and was located at the distal marker.Follow-up with the site determined that the separation was caused by intentional manipulation in order to retrieve the balloon via the 11fr sheath.The reported difficulty removing from the sheath could not be performed due to device condition.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 determine a conclusive cause for 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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