Manufacturing review: the device history record (dhr) could not be performed as the lot number is unknown.Investigation summary: the device was not returned for evaluation.The medical records included images.The image review was documented in the medical records.Medical records were provided and reviewed.Approximately six years post filter deployment, ct revealed chronically occluded inferior vena cava (ivc) filter.Approximately three years later, patient presented with abdominal pain.Ct revealed chronic appearing thrombosis of the inferior vena cava below the filter and some of the filter struts have penetrated through the wall of the ivc into the pericaval/mesenteric fat.Therefore, the investigation is confirmed for perforation of the ivc and occlusion of the ivc filter.Based upon the available information, the definitive root cause is unknown.Labeling review: a review of product labeling documents (e.G.Procedural instructions, indications, warnings, precautions, cautions, possible complications, contraindications, and unit label) showed that the product labeling is adequate.(result), (conclusion).
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