The device was not returned for evaluation.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 from this lot.It was reported that the contrast mix used in the procedure was 70 saline/30 contrast.It should be noted that the percutaneous transluminal angioplasty (pta) catheter, armada 18, l instructions for use, specified that the contrast required is contrast diluted 1:1 with normal saline.In this case, since the contrast ratio used was less than the required percentage and it is unknown if the ifu violation caused or contributed to the reported complaint.The investigation was unable to determine a conclusive cause for the reported deflation issue; however, the reported difficulty removing the device appears to be related to operational context.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.H6: 2017 device code clarifier- contrast incorrect.
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