H10: manufacturing review: a 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 year and seven months later, a lumbar spine 2 or 3 views was performed, and it revealed an inferior vena cava filter with the superior tip at the l1-l2 disc space level.After one month later, the patient scheduled for the filter retrieval; the right internal jugular vein was accessed.The filter apex appeared to be somewhat endothelialzed and into the vessel wall.It was unable to grasp it to successfully retrieve it.After multiple attempts it was unsuccessful.Then cone retrieval apparatus was removed, and magic torque wire was placed.Despite multiple repositioning of the guidewire in reattempting to remove the filter, it was unsuccessful.The right femoral vein was accessed.The 8*4 ultra-thin udt balloon was then inflated to dilate the vena cava to peel off the apex of the filter from the vessel wall.This was done multiple times and subsequently the attempts were unsuccessful.After multiple attempts, the procedure was then aborted.Therefore, the investigation is confirmed for alleged filter migration and retrieval difficulties 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.H11:section a through f - the information provided by bd represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.
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