The intended procedure was a carotid angioplasty of the ostium of the internal carotid artery.There were no damages or anomalies noted to the device prior to removal from the packaging, and there were no damages noted to the packaging prior to opening.There was no difficulty experienced as the device was removed from the packaging; and the product was stored, inspected and handled according to the instructions for use (ifu).The tuohy borst valve was in the opened position (as always) when received, and it was closed by the surgeon.Complaint conclusion: when removing the stent from the protective packaging it was noted that it was partially released and the product was available to use.A same like product was used to complete the procedure.The product was stored according to labeling.The intended procedure was a carotid angioplasty of the ostium of the internal carotid artery.There were no damages or anomalies noted to the device prior to removal from the packaging, and there were no damages noted to the packaging prior to opening.There was no difficulty experienced as the device was removed from the packaging; and the product was stored, inspected and handled according to the instructions for use (ifu).The tuohy borst valve was in the opened position (as always) when received, and it was closed by the surgeon.The product was not returned for analysis.A device history record (dhr) review of lot 17237571 revealed no anomalies or non-conformances during the manufacturing and inspection processes that can be associated with the reported event.The reported ¿stent delivery system (sds)-ses deployment difficulty - premature deployment¿ could not be confirmed as the device was not returned for analysis.The exact cause could not be determined.Handling factor, although unknown, may have contributed to the reported event.According to the instructions for use ¿extract the stent delivery system from the tray.Examine the device for any damage.Evaluate the distal end of the catheter to ensure that the stent is contained within the outer sheath.Do not use if the stent is partially deployed.¿ neither the dhr nor the limited information available suggests a design or manufacturing related cause for the reported event; therefore, no corrective/preventive action will be taken.
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