Batch review performed on 27-apr-2020: lot 130892: (b)(4) items manufactured and released on 11-apr-2013.Expiration date: 28-feb-2018.No anomalies found related to the problem to date, all items of the same lot have been already sold without any other similar reported event since 2016.Clinical evaluation performed by medical affairs director: 7 years after primary cemented tka in a morbidly obese woman of unspecified age, the polyethylene insert is found worn posteriorly and replaced.No pictures are available.A bmi of (b)(6) is a condition that may affect longevity of tja, as specified in instructions for use.We do not think that this wear in 7 years can be attributed to a defective device.
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The patient came in reporting instability and pain 6 years and 7 months after the primary surgery.The surgeon revised the medacta tibial insert u.C.Fix s.3 / 10 mm with a medacta insert u.C.14mm s3.It was observed that the femoral and tibial components were stable, and the surgeon left them remaining.The surgery was completed successfully.Looking at the inlay removed, poly wear was suspected on the posterior side of the implant.
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