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, two years and eleven months of post deployment, patient presented with the complaints of low back pain.An x-ray lumbar spine was performed which showed inferior vena cava filter was noted.Around, one year seventeen days later, an x-ray abdomen was performed which showed inferior vena cava filter was noted.After, eleven months and eight days, an x-ray gastrointestinal study was performed which showed inferior vena cava filter was noted at the level of l2.Around, four years and six months later, a computed tomography of abdomen and pelvis was performed which showed positive for filter fracture.A fracture of the 3 o¿clock stabilizing arm, 4 o¿clock fixation leg and 2 o¿clock fixation leg.Around, two months later, a computed tomography of abdomen and pelvis was performed for abdominal pain.The study showed that infrarenal inferior vena cava filter was noted.After, fourteen days, a computed tomography of abdomen and pelvis was performed for abdominal pain.The study showed that infrarenal inferior vena cava filter was noted.Therefore, the investigation is confirmed filter limb detachment.However, the investigation is inconclusive for perforation of the inferior vena cava (ivc).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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