One catheter with attached monoject 0.8 cc limited volume syringe was returned for evaluation.The guidewire and unknown material were not returned for evaluation but were discarded by the hospital.No visible damage was observed from the catheter body, balloon, or returned syringe.A lab 0.025" guidewire (as recommended inch size in the ifu) was passed hub to tip and tip to hub without resistance.All through lumens were patent without any leakage or occlusion.The balloon inflated clear, concentric and remained inflated for more than 5 minutes without leakage.Balloon inflation test was performed using returned syringe with 0.8 cc air by holding the balloon under water for 5 minutes.Visual examination was performed under microscope at 20x magnification.Customer report of ¿resistance was felt when passing the guidewire through the catheter¿ could not be confirmed during the analysis, as the device responded appropriately during functional testing.There was no evidence of a manufacturing nonconformance.No further actions will be taken at this time.Invasive procedures involve some patient risks.Although serious complications are relatively uncommon, the physician is advised, before deciding to insert or use the catheter, to consider the potential benefits in relation to the possible complications.The techniques for insertion, methods of using the catheter to obtain patient data information, and the occurrence of complications is well described in the literature.It is standard practice to inspect the catheter before use.The ifu states to flush the catheter lumens and check balloon integrity including major asymmetry and leaks.It is unknown if procedural or user factors contributed to this event as the guidewire and foreign substance were not returned.Complaint histories for all reported events are reviewed against trending control limits on a monthly basis, and any excursions above the control limits are assessed and documented as part of this monthly review.
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