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 march 05, 2018.(b)(4).Without the returned device, a thorough investigation could not be performed.The provided pictures were reviewed and confirmed that all caps were in their locations.The yellow cap on the gas outlet port was appropriately in place and the caps on top of the reservoir were all appropriately in place.A retention sample was visually inspected and all caps were present and in their correct locations.They were also verified to be pushed on to provide an adequate seal.No anomalies were noted related to the reported event.Since the actual sample was not returned and the provided pictures could not confirm the reported event, the root cause for this event cannot be determined.All available information has been placed on file in quality management for appropriate tracking, trending, and follow-up.
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