(b)(4).Report source: literature- journal article.Comparison of the functional outcomes after treatment of periprosthetic hip fractures with femoral stem loosening: locking plate fixation with or without femoral stem revision.Tristan vialla, dong tran-minh, florian barbotte, alexandre herault ,matthieu ehlinger, xavier ohl, henri favreau, renaud siboni.Https://doi.Org/10.1016/j.Otsr.2022.103300.Investigation of this incident is currently ongoing.Once the investigation is completed, a supplemental medwatch 3500a will be submitted.
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A study reported that one patient, had a total hip arthroplasty and months later, underwent implantation of a locking plate fixation system due to a periprosthetic fracture.Subsequently, had fixation failure with disassembly of the plate and screws.
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(b)(4).This follow-up report is being submitted to relay additional and/or corrected information.No product was returned or pictures provided; visual and dimensional evaluations could not be performed.Part and lot identification are necessary for review of device history records, neither were provided.The device is used for treatment. medical records were not provided. a definitive root cause cannot be determined. if any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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