(b)(4) during processing of this complaint, attempts were made to obtain complete event, patient and device information.Relevant tests/laboratory data (continued) (b)(6).(b)(4).There was no reported device malfunction and the product was not returned.The investigation was unable to determine a definitive cause for the patient effect.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.The reported patient effect of dissection, as listed in the coronary dilatation catheters (cdc), nc trek rx, global instruction for use is a known patient effect that may be associated with use of a coronary dilatation catheter in native coronary arteries.Although a conclusive cause for the reported patient effect and the relationship to the product, if any, cannot be determined, there is no indication of a product quality issue with respect to manufacturing, design or labeling.
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It was reported that on (b)(6) 2016, the patient underwent a coronary procedure to treat a target lesion in the mid right coronary artery.Pre-dilatation was performed using a 3.75 x 15 mm nc trek dilatation catheter.After pre-dilatation was performed, it was noted that a dissection occurred.The dissection was treated with implantation of the planned coronary implant and the event resolved the same day.No additional information was provided.
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