As reported, approximately 20 months after the initial patellar implant, this (b)(6) y/o female was revised and exchanged due to left knee patellar mal-tracking.Patient was last known to be in stable condition following the event.Device disposed by hospital and will not return.
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(h3) the evaluation of the revision may have been the result of an alignment or rotational issue between the patella and femoral component, not allowing the two devices to properly articulate.However, this cannot be confirmed because the component was not returned for evaluation.
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