Description of event according to initial reporter: access was gained from right internal jugular vein to perform ivc filter placement.The patient's anatomical forms were suitable for the procedure.While adjustment the position of the filter, the filter legs were expanded without problems.However, after the physician attempted to open/close the filter several times, the filter legs could not expand fully.Therefore, entire system was removed from the patient's body.Another manufactures' device was used instead to complete the procedure.Patient outcome: no adverse effect to the patient reported.
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Exemption number e2016032.(b)(4).Name and address for importer site: (b)(4).Summary of investigational findings: since no product was returned and no imaging was provided it would be inappropriate to speculate at what may or may not have occurred based on the limited information made available to us and why the filter would no expand.However, it is noted that the filter legs were expanded without problems in the first place, but afterwards for some unknown reason attempts were made "to open/close the filter several times" and therefore it is suggested that the filter legs were crossed during said manipulation or maybe captured blood/fibrin in the legs prevented them from expanding.There is no evidence to suggest that this device was not manufactured according to specifications and nothing indicates that it did not perform as intended.Cook medical will continue to monitor for similar events.
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