(b)(4).Concomitant medical products: 22-300920 lot 261390 arcos sts 20x190 mm, 31-301303 lot 199930 arcos cone trial c std 60 mm, 31-301852 lot 170201 hex drive 3,5 mm, 31-301852 lot 120701 hex drive 3,5 mm.Report source: (b)(6).Multiple mdr's were filed for this event: 0001825034 - 2019 - 03359, 0001825034 - 2019 - 03267, 0001825034 - 2019 - 03360, 0001825034 - 2019 - 03361, 0001825034 - 2019 - 03363.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Not returned to manufacturer.
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After implanting an arcos sts stem the trial cone body was locked on the stem in accordance with the surgical technique.When trying to unlock the trial cone body, the screwdriver broke inside the patient.The stem and trial body was explanted, and an attempt to disengage the trial body was made with a new screwdriver, which also broke.The third attempt yielded another broken driver.A surgical delay of 60 minutes was reported.No further information is available at the time of this reporting.
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This follow-up report is being submitted to relay additional information.No device was returned for evaluation.Part and lot identification are necessary for review of device history records, neither were provided for the unknown instrument.A definitive root cause cannot be determined.No further information available at the time of this reporting.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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