(b)(4).Multiple mdr reports were filed for this event, please see associated reports: 3007963827-2024-00063, 3007963827-2024-00064, and 3007963827-2024-00065.D10 medical devices: persona femur cemented (cr) standard left size 11 catalog#: 42502607001 lot#: 65352041 persona art.Surface fixed bearing (uc) left 11 mm height catalog#: 42512200611 lot#: 64416943.Persona all poly patella cemented 41 mm diameter catalog#: 42540000041 lot#: 65223568.Biomet bc r 1x40 us catalog#: 110035368 lot#: az44ak0204.Biomet bc r 1x40 us catalog#: 110035368 lot#: az44ak0204.Biomet bc r 1x40 us catalog#: 110035368 lot#: az44ak0204.Customer has indicated that the product will not be returned to zimmer biomet for investigation.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.
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Legal allegations reported that patient underwent a right knee revision.Subsequently, the patient began to experience pain, joint effusions, impingement, swelling, stiffness, arthrofibrosis with limited range of motion, and mid-flexion instability.Radiographic imaging displayed osteolysis at the cement bone interface of the femoral component anteriorly and posteriorly, and progressive radiolucency under the anterior flange and the posterior cut of the femoral component.Approximately eleven months post-implantation, the patient was revised due to aseptic loosening of the femoral component.Substantial scar tissue was noted during the revision.The tibial component was revised due to being slightly undersized and medialized.All components, except the patella, were exchanged for competitor product and the surgery was completed without complication.
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