It was reported to terumo cardiovascular that during cardiopulmonary bypass, the fx oxygenator had a leak from the arterial sampling port that is attached to the arterial outlet.There was a 5cc blood loss, product was not changed out, surgery completed successfully.
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The returned sample was visually inspected, during which no anomalies were noted.A review of the device history record revealed no manufacturing anomalies.The sample was then filled with water and pressurized to 600mmhg for a period of time, and then further pressurized to 1000mmhg.The line was found to not leak from the pigtail line, or any other component.Terumo was informed that bone wax was applied to the leaking location; however, during visual inspection, bone wax was not detected.If bone wax was present on the location of the leak, this may have prevented the sample from leaking during the investigation.The reported event was not able to be replicated and a definitive root cause was not able to be determined.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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