The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history of the reported lot revealed no other incidents.It was reported that the balloon ruptured above the rated burst pressure (rbp); however, the exact pressure was not reported.It should be noted that the armada 35 instructions for use states: inflation in excess of the rated burst pressure may cause the balloon to rupture.Use of a pressure monitoring device is recommended.Based on the information provided, a conclusive cause for the balloon rupture could not be determined.It is possible that the rupture occurred due to interaction with lesion calcification or associated devices, causing damage to the outer surface of the balloon material; however, this could not be confirmed.The specifics of reported pressure/atmospheres are unknown.The difficulty removing was possibly due to the ruptured balloon material getting caught on the introducer sheath.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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