(b)(4).Catalog # igtcfs-65-2-uni-celect.Similar to device under 510(k) k090140.Summary of investigational findings: investigation is based on event description and returned product.Investigation of the returned product found that, since the secondary legs were visible (sticking inside the hub) it is assumed that the filter was advanced through the hub without any difficulties.Secondary filter legs were found severely damaged when removed from hub, as if attempts had been made to withdraw the sticking filter through the hub after the reported resistance was noted.No resistance was noted when advancing the introducer through the sheath.Unable to determine reason for reported difficulties encountered when attempting to advance the introducer through the haemostatic valve.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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