Manufacturing review: the lot number has been provided and the lot device history records have been reviewed.The lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.This is the only complaint reported for this lot number and issue to date.Investigation summary: the device was not returned for evaluation and images were not provided for review.However, medical records were provided and reviewed.During deployment of the filter, the pusher rod was difficult to release from the hook of the filter resulting in additional manipulation of the delivery device.Therefore, based on the provided medical records the investigation is confirmed for deployment difficulties.However, the investigation is inconclusive for the alleged tilt based on the provided information.Based upon the available information, the definitive root cause is unknown.Labeling review: the current ifu (instructions for use) states: warnings: - movement, migration or tilt of the filter are known complications of vena cava filters.Precautions: - do not deliver the filter by pushing it beyond the end of the introducer sheath.To achieve proper placement, unsheath the stationary filter by withdrawing the introducer sheath.Do not twist the pusher wire handle at anytime during this procedure potential complications: - movement, migration or tilt of the filter are known complications of vena cava filters.- filter malposition - filter tilt.
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H10: manufacturing review: the device history records have been reviewed with special attention to the raw materials, subassemblies, manufacturing process, and quality control testing.This lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.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.During the deployment, the pusher rod was stuck to the filter which took manipulation to get the pusher rod off the filter without moving the filter.The patient tolerated the procedure well and there were no complications.Approximately four years post filter deployment, computed tomography revealed there was grade 3 perforation with posterior strut embedded l4 with 13 mm.Left lateral strut was abutting aorta with 4mm.Right posterior strut was abutting right psoas muscle with 2 mm.Therefore, the investigation is confirmed for perforation of the inferior vena cava (ivc) and difficult to deploy.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.H10: b6, b7, d4(expiry date: 11/2015).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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