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 not provided.
Therefore, the investigation is inconclusive for the alleged perforation of the ivc, filter migration and retrieval difficulties as no objective evidence has been provided to confirm any alleged deficiency with the filter.
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.
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