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 11.Component code: 934- reservoir health effect ¿ impact code: 2199-no health consequences or impact.Health effect ¿ clinical code: 4582- no clinical signs, symptoms or conditions.Medical device problem code: 1096- coagulation in device or device ingredient.Investigation findings: 3233 - results pending completion of investigation.Investigation conclusions: 11 - conclusion not yet available.
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The user facility reported to terumo cardiovascular that during cardiopulmonary bypass, there was clots on the oxygenator reservoir.As per the subsidiary, they monitored closely and the case ended without any delays, and without changing out.No known consequence or health impact to patient.Product was not 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 june 26, 2023.Upon further investigation of the reported event, the following information is new and/or changed: d4 (additional device information - added exp date); g3 (date received by manufacturer); g6 (indication that this is a follow-up report); h2 (follow-up due to additional information); h4 (device manufacture date); h6 (identification of evaluation codes 4114, 11, 3331, 3244, 4315).Type of investigation #1: 4114 - device not returned.Type of investigation #2: 11 - testing of device from same lot/batch retained by manufacturer.Type of investigation #3: 3331 - analysis of production records.Investigation findings: 3244 - problem due to thrombosis activation.Investigation conclusions: 4315- caused not established.The sample was not returned for evaluation; however, a photo was provided showing clots on the outside of the vr filter.A representative retention sample from the same lot number was obtained and tested.The sample was tested for clotting with bovine blood at 8 l/minute for 1 hour with no clotting on the filter observed in the venous portion of the reservoir.Without the returned sample, a thorough investigation could not be performed, and a definitive root cause could not be determined.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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