The user facility reported to a terumo affiliate that during cardiopulmonary bypass, after calibration, the user received an h/s disconnect error.This event is associated with a voluntary safety alert initiated by terumo: 1124841-12/08/2015-004-c.No known impact or consequence to patient.Product was not changed out.Surgery was completed successfully without delay.
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This follow-up report is submitted to the fda in accord with applicable regulations - and as indicated by terumo cardiovascular system in the initial report submitted to the fda on december 23, 2015.(b)(4).The sample was returned for evaluation.A review of the device history record revealed no manufacturing anomalies.The sample was microscopically inspected, and the magnet of the cuvette did not reveal any potential defect that would inhibit part functionality.The sample was found to have no difficulties connecting to the cdi 500, and the magnet strength was found to be within specifications.A definitive root cause could not be determined; therefore, this event is not confirmed.Although this event is not confirmed, other occurrences of this issue have determined that the root cause of the failure was defective magnets that have a lower magnetic strength than normal.These magnets are manufactured by an outside supplier, (b)(4).This event is associate with a voluntary safety alert submitted by terumo on december 8, 2015.The safety alert number is 1124841-12/08/2015-004-c.All available information has been placed on file in quality management for appropriate tracking, trending and follow up.
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