It was reported that the procedure was to treat an av fistula.The 12x40mm armada 35 balloon dilatation catheter (bdc) was advanced to the lesion with no issues.During the first inflation, the balloon ruptured at the rated burst pressure (rbp).During retraction, resistance was met with the anatomy and the balloon separated.A snare device was used to retrieve the separated portion from the anatomy.There was no clinically significant delay in the procedure and no adverse patient effects.No additional information was provided.
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Visual analysis was performed on the returned device.The reported balloon rupture and separation was confirmed.The difficulty removing was not tested due to the condition of the device.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 indication of a lot specific product issue.The investigation determined that the reported difficulties were likely due to case related circumstances.It is likely that the balloon rupture initiated longitudinal and was the result of interaction with lesion calcified or associated devices.In addition, the resistance noted during removal and radial separation of the balloon was likely the result of the ruptured balloon material catching on the introducer sheath during removal.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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