It was reported that the ¿aspiration was clogged¿.There was no reported patient injury.The device was stored and handled per the instructions for use (ifu).The device was prepped per the ifu.There was no difficulty in pressing the device.There were no kinks/bends noticed in the device.The blockage was noted when the device was inside the patient.It was reported that the malfunction was not caused by a blockage of possibly injectable material, foreign material or clotting from the patient.Additional procedural details were requested but are unknown.One non-sterile unit from product cath tempo 4f ver 135 degree 100 cm was received coiled inside of a plastic bag.No anomalies or damages were observed on the received unit.An emerald.038¿ guide wire lab sample was inserted through the received catheter; the guide wire was advancing by the catheters hub when a strong resistance was felt at 18.2 cm from the hub.The catheter was sectioned near the location of resistance and by using the guide wire, dried blood accumulation was forced out of the catheter.A device history record (dhr) review of lot 17418953 revealed no anomalies during the manufacturing and inspection processes that can be associated with the reported complaint.The failure ¿catheter (body/shaft) ¿ obstructed ¿ in patient¿ was confirmed through analysis of the returned device.The cause of the reported obstruction was due to the accumulation of dried blood in the catheter lumen.The exact cause of this blood accumulation could not be conclusively determined.Based on the limited information available for review, patient and/or procedural factors may have contributed to the reported blood clot in the catheter.According to the ifu, which is not intended as a mitigation, ¿before use, flush all devices entering a blood vessel with sterile heparinized saline or a similar isotonic solution.Keep the catheter filled with either flushing solution or contrast medium while the catheter is in the vascular system and consider the use of systemic heparinization.Forcibly aspirate and flush the catheter with heparinized saline solution at least once every two minutes.¿ neither the dhr review nor the product analysis suggests that the event experienced by the customer could be related to the design or manufacturing process.Therefore, no corrective/preventive action will be taken.
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