The user facility reported to terumo cardiovascular that during cardiopulmonary bypass, the cardiotomy reservoir became clotted.There was a long time that the blood flow from the oxygenator to the reservoir was clamped, the blood flow was stagnant in the reservoir.The patient was given protamine and heparin.There was a slight delay.No consequences or impact to patient.Product was changed out.Procedure 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 oct 22, 2018.A complete investigation was not able to be performed as the sample was not returned and a lot number was not provided.Without a lot number, a retention sample was unable to be obtained and evaluated, therefore, definitive root cause was unable to be determined.Based on information received, the most likely root cause could be related to customer technique and /or due to protamine administration.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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