Manufacturer ref# (b)(4).Similar to device under 510(k) k090140.(b)(4).Summary of investigational findings: only the filter was returned and investigation found it symmetric and according to specifications.The introducer was not returned and images were not provided, but it is suggested that delivery system/filter was inadvertently pushed when metal knob was pushed for filter release.Package insert: using excessive force when releasing the filter may cause incorrect deployment of the filter.When deploying the filter, as little tilting as possible should be done.No evidence to suggest that this device was not manufactured according to specifications.Cook medical will continue to monitor for similar events.Manufacturer ref# (b)(4).Similar to device under 510(k) k090140.(b)(4).Summary of investigational findings: only the filter was returned and investigation found it symmetric and according to specifications.The introducer was not returned and images were not provided, but it is suggested that delivery system/filter was inadvertently pushed when metal knob was pushed for filter release.Package insert: using excessive force when releasing the filter may cause incorrect deployment of the filter.When deploying the filter, as little tilting as possible should be done.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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Description of event according to initial reporter: ivc filter placement by right jugular vein was performed.Although the complaint filter was deployed in ivc as labeled way, it was placed with three of the legs of which leaning to one side.As there was a possible risk of migration or decrease in filters' capability of trapping blood clots, it was retrieved out of the body and another filter was placed alternatively.Patient outcome: no adverse effects to the patient.
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