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 one month later, patient presented with abdominal pain and distention.The study showed that inferior vena cava filter was noted at the level of l2.Approximately twelve years later, computed tomography revealed inferior vena cava filter was in place with several legs outside of the inferior vena cava, one adjacent to the aortic calcifications.Therefore, the investigation is confirmed for perforation of the inferior vena cava (ivc).However, the investigation is inconclusive for filter tilt.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.
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It was reported through the litigation process that a vena cava filter was placed in a patient after being diagnosed with deep vein thrombosis/pulmonary embolism.At some time post filter deployment, it was alleged that the filter tilted and struts perforated the inferior vena cava.The device has not been removed and there were no reported attempts made to retrieve the filter.The patient experienced abdominal pain; however, the current status of the patient is unknown.
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