This follow-up is being submitted to relay additional information.Updated: b4, b5, d2, g1, g3, g6, h1, h2, h3, h6, and h10 no product was returned; therefore, visual and dimensional evaluations could not be performed.Visual evaluation of the provided photo found evidence of use (surgical debris).Medical records were provided and reviewed by a health care professional.Review of the available records identified the following: coronal instability mid flexion, marked synovitis with synovectomy performed, femoral/tibia/patella components well fixed, no complications noted.Radiographs were provided and reviewed by a health care professional.The radiographs were not submitted as there is sufficient documentation of the event within the operative notes.Submission at this time would not enhance the investigation.Device history record (dhr) was reviewed for deviations and/ or anomalies with no deviations / anomalies identified.A definitive root cause cannot be determined.This complaint has been confirmed by review of the provided medical records and provided photo.If any further information is received which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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