It was reported that the procedure was to treat a lesion located in the 70% stenosed, severely tortuous left renal artery.While advancing the 5.0x18mm herculink elite stent delivery system, the stent dislodged from the balloon.The stent delivery system was removed without issue and the stent successfully retrieved with a snare device.There was no adverse patient sequela or a clinically significant delay in procedure.Another same size device was used to complete the procedure successfully.No additional information was provided.
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A visual inspection was performed on the returned device.The reported stent dislodgement was confirmed.The reported failure to advance could not be evaluated as the exact anatomical conditions encountered by the device used during the procedure could not be replicated in the test laboratory.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 incidents.The investigation determined the reported difficulties and subsequent treatments, including removal of foreign body, appear to be related to circumstances of the procedure.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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