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 27, 2018.(b)(4).The sample was not returned for evaluation, therefore a thorough investigation could not be performed and definitive root cause cannot be determined for this event.A photo was reviewed and confirmed that the cap was missing from the cardioplegia line coming off the outlet port of the oxygenator.A retention sample from the affected product code/lot number combination confirmed that the device contained the cap lock on the cardioplegia line coming off the outlet port of the oxygenator.The most likely root cause is the cap was not present during manufacturing and packaging of the finished device.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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