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Batch reviews performed on 24 september 2021: lot 133263: 60 items manufactured and released on 16-oct-2013.Expiration date: 2018-sep-30.No anomalies found related to the problem.To date, (b)(4) items of the same lot have been sold without a similar reported event.Clinical evaluation: insert revision in tka 5 years and 9 months after primary for joint instability.The insert was exchanged to a thicker one.The developmental instability is a rather commonly described possible complication following tka, because soft tissue may stretch and provide insufficient stability.It is therefore common practice to resort to a thicker insert and recreate soft tissue tension.This is not a problem due to any implant defect or malfunction.
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