(b)(4).Customer has indicated that the product will not be returned to zimmer biomet for investigation, as the device location is unknown.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Concomitant medical products: part: 157450, m2a-magnum mod hd sz 50mm, lot: 838780.Part: 139252, m2a-magnum 42-50mm tpr insrt-6, lot: 094660.Part: us157856, m2a-magnum pf cup 56odx50id, lot: 675670.Part: 11-103205, taperloc por lat fmrl 11x142, lot: 916780.Multiple mdr reports were filed for this event, please see associated reports: head: 0001825034-2019-03246, taper: 0001825034-2019-03244.
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It was reported that the patient underwent an initial left total hip arthroplasty and subsequently, the patient was revised six and a half years later.During the revision procedure, it was noted that the connection sleeve was cold-welded to the stem taper.Attempts have been made and no further information has been provided.
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