(b)(4).Similar to device under 510(k) k090140.(b)(4).Summary of investigational findings: the used device is returned in original packaging.The filter loaded on the femoral introducer.The secondary filter legs/wires, normally shaped as leaves, are deformed.Furthermore, marks are found on the introducer sheath tip.Both observations strongly indicate, that filter has been advanced out of sheath and afterwards attempted to be retracted into sheath, causing marks on the sheath tip and deformed secondary filter wires/leaves.No evidence to suggest that 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: initially, ivc filter system went inside the sheath smoothly.But when the physician tried to reposition and retrieve the filter within the sheath, he was not possible to do so and resulted in deformation of the filter.Hence, the physician withdrew the defective filter and used another ivc filter system.Patient outcome: unknown as information was not provided.
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