The device was not returned for analysis.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 complaints reported from this lot.The investigation was unable to determine a cause for the reported difficulty.It may be possible that the balloon folds became compromised after the first inflation and removal causing difficulty during the attempt to re-fold for re-insertion; however, this could not be confirmed.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.Na.
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It was reported that the procedure was to treat a left av fistula.During re-insertion into the sheath, the re-wrap of the 4.0x40mm armada 18 balloon was loose, and re-insertion into the sheath was difficult.Eventually the balloon was able to be re-introduced into the sheath.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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