The device was received.Visual and functional inspections were performed on the returned device and the reported inflation problem was confirmed due to a tear on the inner member.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 and/or complaints reported from this lot.Factors that may contribute to inflation problems may include, but are not limited to, manufacturing, damage to the device, inner diameter of wire lumen causing resistance and damage, contamination in the inflation lumen, patient anatomical morphology, patient disease state, inflation technique, inadequate/loose connection to the inflation device, and/or accessory device support.The investigation was unable to determine a conclusive cause for the noted inner member tear which resulted in the reported inflation issue.It is possible that the guide wire was inserted at an angle resulting in the inner member tear; however, this could not be confirmed.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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It was reported that the procedure was to treat a lesion located in the tibial artery that was non-calcified and non-tortuous.The armada 18 was advanced to the lesion and during inflation, the balloon would not inflate past 6 atmospheres (atm).There were no reported adverse patient effects and no clinically significant delay in the procedure.Another armada was used to complete the procedure.Device analysis revealed the balloon catheter would not inflate, and there was fluid observed coming out from a tear in the inner member proximal to the proximal balloon seal.No additional information was provided.
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