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 september 14, 2018. (b)(4).The returned sample was set into a circuit and pressurized at approximately 1000 mmhg and flowed at about 6.5 to 7l/min to verify that the oxygenator was not leaking, and no leaks were noted.A representative retention sample from the same lot number was circulated the same way, and no leaks seen.As the oxygenator was not confirmed to be leaking, the most likely cause was the leaking pump in the related complaint where the pump was noted to have been cracked.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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