The user facility reported to terumo cardiovascular that during cardiopulmonary bypass, the oxygenator had a high pressure excursion which was resolved by giving albumin into the cpb circuit.According to the information provided, they believe that the high pressure excursion started at 10:08-10:45.The highest line pressure on bypass was 237 mmhg prior to albumin administration.The highest line pressure after albumin administration was 280 mmhg.According to information in the complaint document the hpe was resolved by giving albumin.Arterial pump was a centrifugal pump.The initial dose of heparin was cpb initiated was 18 minutes initial and 7 minutes after additional heparin.The pre and post oxygenator pressures were not monitored.No known impact or consequence to patient.The product was not changed out.The surgery was completed successfully.
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This follow-up report is submitted to fda in accord with applicable regulations ¿ and as indicated by terumo cardiovascular systems in the initial report submitted to the fda on november 10, 2020.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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This follow-up report is submitted to fda in accord with applicable regulations.Upon further investigation of the reported event, the following information is new and/or changed: d4 (additional device information - added expiration date).G4 (date received by manufacturer).G7 (indication that this is a follow-up report).H2 (follow-up due to additional information and device evaluation).H3 (device evaluated by manufacturer).H4 (device manufacture date).H6 (identification of evaluation codes 10, 3331, 213,4315).Method code #1: 10 - testing of actual/suspected device.Method code #2: 3331 - analysis of production records.Results code: 213 - no device problem found.Conclusions code: 4315 - cause not established.The affected sample was visually inspected and did not find any obvious anomalies in the appearance including breakage.The actual sample was rinsed, dried and built into a circuit with tube.Bovine blood (hct 35% and temp.37 degrees celsius) was circulated, while the pressure drop was determined at each flow rate.The obtained values were confirmed to meet the factory's specification.No obstruction was confirmed.The saline solution was flowed into the blood channel.As a result, it was confirmed that there was no formation of blood clots that could have led to high pressure excursion.The investigation result verified that the actual sample after having been rinsed was the normal product presenting no problem.Review of manufacturing record and the incoming inspection record of the involved product/lot# combination there were no indications of the anomalies in them.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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