Exemption number e2016032.(b)(4).Name and address for importer site: (b)(4).Summary of investigational findings: investigation is based on description of event and returned product.The system is tested, and no errors are found; the filter releases without problems.The filter hook and the grasping hook are a bit deformed.The sheath tip is slightly chopped, indicating that the filter caught the sheath edge as it was re-sheated.The root cause for the reported unsuccessful filter release could not be determined.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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