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(b)(4).The device was not returned for analysis.It may be possible that the distal shaft was kinked or entrapped within the vessel causing the inflation/deflation lumen to become blocked off; however, this could not be confirmed.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.The investigation was unable to determine a conclusive cause for the reported deflation difficulty.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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It was reported that an armada dilatation catheter advanced to the iliac artery lesion and balloon inflation was performed without issue.Following, the balloon failed to deflate.A syringe was attached and aspiration was performed to deflate the balloon.The device was removed without any further issue.There were no adverse patient effects.There was a 10-minute delay; however, no clinical symptoms were associated with this delay.There was no additional information provided regarding this issue.
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