Manufacturing review: the device history record review could not be performed as the lot number is unknown.Investigation summary:the device was not returned for evaluation.Medical records were provided and reviewed.Approximately eleven years and six months of post deployment, computed tomography of the abdomen and pelvis revealed the filter was in the infra-renal inferior vena cava.The tip of the filter was positioned at the level of the right pedicle of l2.The superior aspect of the filter was 10 mm distal to the right renal vein.One of the filter struts appears broken and along the right anterior lateral inferior vena cava wall superior to the filter at the 10 o'clock position.The distal aspect of the other struts had perforated the inferior vena cava.One of the struts was within the third portion of the duodenum.Fractured, embolized arm of filter in superior right ventricle of heart at the origin of the main pulmonary artery.Fractured arm of filter adjacent to and slightly superior to the tip of the filter along the right lateral wall of the inferior vena cava.Four arms attached to filter.Six legs attached to filter.2 o¿clock arm with grade 3 penetration of the inferior vena cava into the third portion of the duodenum.5 o¿clock leg with grade 3 penetration of the inferior vena cava into the anterior third vertebral body.All other legs and arms with grade 2 penetration of the inferior vena cava.No significant tilt.Therefore, the investigation is confirmed for filter limb detachment and perforation of the inferior vena cava (ivc).Based on 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.
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