The system was used for treatment.This case is reportable as a mdr due to the reportable malfunction pump tubing organizer (pto) leak.Since this reportable malfunction is only associated with the kit, this mdr will only be against the kit.A batch record review for kit lot g323 was conducted.There were no non-conformance's associated with this lot.This lot met all release requirements.A review of kit lot g323 for the reported issue shows no trends.Trends were reviewed for complaint categories, alarm #16: collect pressure and pto leak.No trends were detected for each complaint category.The kit was returned for investigation.Examination of the returned kit showed no signs of a leak from the return filter.The return line was pressure tested and no liquid came out of the return line or the filter.The pto and return line were pressurized and held under water, no bubbles emerged from the return filter or the return line.Pressure testing of the return line and filter did not find any leaks or flow restrictions.The root cause of the reported pto leak could not be determined as no cellex kit defect could be identified upon evaluation of the returned product.No further action is required at this time.This investigation is now complete.(b)(4).
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