One catheter with attached monoject 1.5 cc limited volume syringe was returned for evaluation.Introducer was not returned.No visible damage or inconsistency was observed from the catheter body, balloon, or returned syringe.It was able to insert the catheter without resistance into both lab 8.5fr and 9fr introflex introducers, which are the recommended size introducer per japan ifu.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.Further evaluation found that the maximum outer diameter of the catheter body was at the distal thermal filament cover bond and was measured to be out of specification, at 0.108".The maximum outer diameter thru the heater section is 0.105".Balloon inflation test was performed using returned syringe with 1.5 cc air.Visual examination was performed under microscope at 10x magnification and with the unaided eye.Customer report could not be confirmed during the analysis; however, the maximum outer diameter of the catheter body was found to be out of specification.An investigation has been initiated to consider any potential manufacturing factors that may have contributed to this complaint and implement any necessary corrective actions.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.In this instance, the patient required a new stick during the procedure to insert a new access device and catheter, this is a reportable event.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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