It was reported that during a severely stenotic left superficial femoral artery (sfa) intervention, two armada balloon catheters were used and ruptured.The first armada balloon ruptured during the 1st inflation at 6 atmospheres (atm).The second armada ruptured during the 1st inflation, at 7 atm.The devices were removed without issue.There was no adverse patient effect and no clinically significant delay in the procedure.The procedure was successfully completed with an unspecified device.No additional information was provided.
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Visual and functional inspections were performed on the returned balloon catheter, and the reported balloon rupture was confirmed.Additionally, it was noted that there were multiple scratches on the balloon distal to the rupture.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 incidents and/or complaints reported from this lot.The investigation determined the reported balloon rupture appears to be related to operational circumstances of the procedure.Based on the reported information, it is likely that during advancement through the severely stenosed anatomy, the outer surface of the balloon became compromised and/or damaged resulting in the reported balloon rupture during the first inflation to 7 atmospheres.The noted scratches at the rupture site also suggests interaction causing damage to the outer surface of the balloon material.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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