E4 entered in error.Correction: a1, a2 (age), b5, b6, d1, d2 (common device name), d4 (udi number), e1, e2, e3, g3, h3, h6 (patient code, and device code).Additional information: b1, b2, b7, g5 (510k), h6 (method, results, and conclusion codes).The x-rays show that one of the endplates appears to have migrated and is misaligned.There are no indications of manufacturing issues which would have contributed to this event and the device was likely conforming when it left zimmer biomet¿s control.Details on the initial surgery are not known and the device was not returned for evaluation so the cause is unable to be determined with the information provided.
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