(b)(4).Catalog#: igtcfs-65-1-uni-celect-pt.Summary of investigational findings: investigation is based on event description and returned product.The jugular filter introducer, with filter resheated, is returned.The red safety button is not pressed, i.E.System is still locked.The filter can easily be deployed and generally looks very fine.Leg distances within specifications.It sounds like the filter was never released during the procedure, as it would likely have been mentioned if recapture was performed.This is supported by the finding that the safety button is not pressed.This then indicates that the "catching on something" felt by the user actually is the locked introducer making deployment impossible.From the ifu: when the filter position is correct, push the red safety button to prepare filter release.There is found no evidence to suggest that this device was not manufactured according to specifications.Cook medical will continue to monitor for similar events.
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