(b)(4).Catalog number: 11-300924, lot number:304700, brand name: arcos 24x190mm spl tpr dist m.Foreign - chile multiple mdr reports were filed for this event, please see associated reports: 0001825034-2020-02324 customer has indicated that the product is in process of being returned to zimmer biomet for investigation.Once the investigation has been completed, a follow-up mdr will be submitted.
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This follow-up report is being submitted to relay additional information.The following sections were updated: b4, b5, d10, g4, g7, h1, h2, h3, h6, h10.Visual inspection confirmed the stem to be fractured at the neck.Cone body is also fractured at the opening which receives the stem.The fractured piece of the stem is still assembled with the cone body by the stem screw.The cone body is scratched around the screw hole and neck.Further analysis determined fracture surface artifacts suggest fatigue fracture culminating in bending oveload.Taper stem material to be consistent with ti6-4 titanium alloy.Medical records/radiographs were provided and reviewed by a health care professional.Review of the available records identified the following: mmi report impressions.Fracture of the left hip femoral implant as noted.Complaint sample was evaluated and the reported event was confirmed.Device history record was reviewed and no discrepancies were found.A definitive root cause cannot be determined, however further analysis report suggests fatigue fracture culminating in bending overload.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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