Manufacturing review: a lot history review was performed.This is the only complaint to date for this lot number.Therefore, a device history record review is not required.Investigation summary: the device was not returned for evaluation.Medical records were provided and reviewed.Approximately four years and four months post filter deployment, computed tomography (ct) revealed legs of the inferior vena cava filter was extending beyond the wall of the inferior vena cava.Eventually one year and nine months later, computed tomography (ct) pulmonary angiogram of the chest revealed there was small partial thrombus in the left in a first order left pulmonary artery extending toward the lingula.There also appeared to be linear thrombus on the right side extending into the right middle lobe.There were linear type thrombi identified in right lower lobe.Subsequently few days later, the patient was expired.Therefore, the investigation is confirmed for perforation of inferior vena cava (ivc).Additionally, it can be confirmed that the patient experienced pe post deployment.However, the relationship to the filter is unknown.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.(expiry date: 09/2012).
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