(b)(4).Product has been received by zimmer biomet and the investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Multiple mdr reports were filed for this event, please see associated reports: 0001825034 - 2022 - 00836, 0001825034 - 2022 - 00835.
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It was reported that the glenosphere disassociated from vrs baseplate.Despite successful patient follow up appointments at 3 and 6 months postoperatively showing good implant alignment, the patient was seen in the office with a disassociated glenosphere.The 36mm glenosphere and its taper adaptor had dislocated from the vrs baseplate.Upon revision surgery, new implants of the same dimensions were successfully placed.The central screw from the initial surgery was removed and not replaced at the revision.It was noted that the screw head may have been proud of fully seated within the vrs boss when checked with the vrs inserter prior to screw removal.The vrs inserter sat flush against the face of the vrs implant after the central screw was removed.Attempts have been made and no additional information is available at this time.
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This follow-up report is being submitted to relay additional information.The following sections were updated: b4, b5, d4, d9, g3, g6, h1, h2, h3, h6, h10 complaint sample was evaluated and the reported event was confirmed.Reported event was also confirmed by review of radiographs and medical records.Visual inspection of the returned products identified found light scratches and discoloration on the polished surface.Also found an unknown fractured piece within the threaded area that could not be identified.Review of the available medical records identified the following: (b)(6) 2022 appointment: - increasing pain, poor forward elevation, - x-ray ap & lateral right shoulder head disassociated from baseplate - revision surgery planned.Device history record (dhr) was reviewed and no discrepancies were found.Root cause was unable to be determined.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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