The user facility reported to terumo cardiovascular that during cardiopulmonary bypass, the blood was dark and the oxygenator appeared to not be working.The flow was raised to 10 liters per minute and 100% oxygen, that did not work.An oxygen tank was directly connected to the oxygenator with no improvement.No known impact or consequence 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 august 22, 2016.Upon further investigation of the reported event, the following information is new and/or changed: (b)(4).The sample was returned for evaluation.Review of the device history records revealed no manufacturing issues.The returned sample was visually inspected.A large crack was found in the housing of the heat exchanger and oxygenator.A retention sample from product code/lot number combination was visually inspected and found to not have any damages.Human factors issue was chosen due to these units being 100% visually inspected in process and it is likely that the damaging crack occurred during shipping or handling of the device.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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