Zimmer biomet complaint number (b)(4).The following fields have been updated: b4: date of this report b5: describe event or problem d4: additional device information g3: date received by manufacturer g6: type of report h1: type of reportable event h2: follow up type h3: device evaluated by manufacturer h4: device manufacturer date h6: adverse event problem h10: additional narrative two (2) certain titanium hexed screw (iuniht) were returned for investigation.Visual evaluation of the as returned product identified signs of use, however, no damage was seen.Functional testing was performed with an in-house mating device (implant).The devices were able to engage as normal.No malfunction was identified.Therefore, the reported event could not be recreated.Pre-existing condition noted in the per was low bone density (type iii and type iv).The device had been placed on tooth # 16 (universal).Dhr review was completed for the subject lot number 1248825.It was confirmed that all operations and inspections were executed as per applicable procedure.No deviations or non-conformances, which could have caused or contributed to the reported event, were noted as part of the dhr.Lot was inspected and passed all acceptance criteria by qa.Complaint history review was performed for the reported lot number 1248825 for similar events and 1 other relevant complaint(s) was identified.Review completed utilizing keywords: functional : loosening.Therefore, based on the available information device malfunction did not occur.Additionally, the reported event could not be verified as the exact details of event were nonverifiable.
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