The customer reported a blood leak in centrifuge/tubing leak.Name of complainant: same as reporter.Customer reported a blood leak in the centrifuge during a blood prime procedure that was noticed when the treatment had reached 700 ml whole blood processed.Customer stated the patient had been connected at 366 ml whole blood processed.It appears the leak consists of a ring on the centrifuge wall, which dried immediately and did not cause any leak alarm, which no obvious source.The customer could not tell if the leak came from the bowl or the drive tube.No damage was seen to the kit or to the instrument, or to the leak sensor.The customer returned the kit & smart card for investigation.
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A review of lot file b309 was performed.There were no nonconformances or alarms associated with this event type reported.This lot met all release requirements.A review of complaints reviewed for lot b309 was performed.There were two other reported for tubing leaks to date for this lot.The two tubing complaints were from two different areas of the kit.No trends were detected.This assessment is based on the information available at the time of the investigation.The kit was returned and evaluated.Although the complaint could be consistent with a top (bowl end) bearing stop delamination, no leak was found during analysis.Therefore, the root cause of this failure is undetermined.Complaints of this nature are monitored through tracking and trending.Should a trend arise, further action will be taken.Mxp# (b)(4).
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