The user facility reported to terumo cardiovascular that during cardiopulmonary bypass, there was a clot formation in the cardiotomy reservoir.As per user facility, product was not changed out since the perfusionist identified the clot at the time of weaning off bypass.No known impact or consequence to patient.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 january 9, 2020.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) h4 (device manufacture date) h6 (identification of evaluation codes 11, 3331, 3221, 4315).Method code #1: 11 - testing of device from same lot/batch retained by manufacturer method code #2: 3331 - analysis of production records method code #3: 10 - testing of actual/suspected device results code: 213 - no device problem found conclusions code: 67 - no problem detected.The affected sample was not returned, so a thorough investigation could not be performed and a definitive root cause could not be determined.A representative retention sample from the same lot number was obtained, no visual anomalies noted.The retention sample was tested for clotting with bovine blood (hct 35.5%, be -1.5 and 37.1*c) at 5 l/minute for one hour with 100ml/min air injection with no clotting, foaming or bubbling on the filter observed in the cardiotomy portion of the reservoir.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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