(b)(4).Concomitant medical products: catalog #: unknown, glenoid, lot # unknown, catalog #: unknown, humeral head, lot # unknown.Reported event was considered confirmed from the x-rays provided which showed on the axillary view dislocation of the shoulder arthroplasty.No fracture is identified.Also, osteolysis along the glenoid implant and along the proximal humeral implant.Bone quality is osteopenic.There is advanced arthrosis of the acromioclavicular joint and prominent subacromial spurring.Device history record (dhr) review was unable to be performed as the lot number of the device involved in the event is unknown.Root cause was unable to be determined as the necessary information to adequately investigate the reported event was not provided.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.Multiple mdr reports were filed for this event, please see associated reports: 0001825034-2020-02918, and 0001825034 - 2020 - 02881.Location unknown.
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