Terumo has not received the device for evaluation; therefore, the investigation has yet to be completed.Terumo plans on submitting a follow-up report when the investigation is complete and when more information becomes available.For this reason, terumo references evaluation conclusion code.No known impact or consequence to patient.Particulates.Results pending completion of evaluation.Conclusion not yet available-evaluation in progress.
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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 march 05, 2018.(b)(4).The actual sample was not returned but the provided pictures were reviewed.Some fatty tissues were noticed inside the reservoir.Without the returned device, a thorough investigation cannot be performed.The retention sample from the same product code/lot number was used for the blood clotting test.Bovine blood was ran through the venous reservoir for an hour at 7l/min, at the end of the test the sample was rinsed and dried; a visual inspection confirmed no clotting or residues with the reservoir.The reported event was unable to be replicated; therefore, a definitive root cause was not able to be determined.It is likely that patient conditions contributed to the formations of fatty tissue or biological material within the reservoir.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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