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One tapered screw-vent implant (tsvt6h10) and healing collar were returned for investigation.There were no allegations against the healing collar and the events occurred at tissue level.Therefore, the investigation was conducted only on the implant and the related event.Visual evaluation of the as returned implant identified signs of use but no apparent signs of malfunction.The device could not be functionally tested for the reported events (pain + infection).However, measurements were taken using a caliper.Following dimensional analysis and comparison to drawings, the device was determined to be within design specification.Pre-existing condition noted in the per was moderate bone density type ii.The reported device had been placed on tooth #19 (universal) for approximately 3 days.X-ray and picture images were not provided.Dhr review for the lot (1229291) had revealed no deviations nor non-conformances which could have caused or contributed to the reported events.All products were conforming at the time they left zimmer biomet.Lot was inspected and passed all acceptance criteria by qa.All sterilization activities were conducted with no nonconformities per sterilization record (op# 150).Zimmer biomet quality management system (qms) has controls in place to ensure the distribution of conforming products within specifications.Complaint history review was performed for the reported lot number (1229291) for similar events (complaint category keywords: medical: pain + infection) and no other complaint was identified.May post market trending was reviewed and there were no actionable events or corrective actions for the reported events or product.Therefore, based on the available information, device malfunction did not occur.However, the reported event could not be verified as the exact details of event were nonverifiable.A definitive root cause could not be determined.However, based on the investigation, risk review and ifu, the most likely cause determined from the investigation is exposure of implant outside of the sterile field either through accident or on purpose before placement or improper techniques used during placement.No further investigation or immediate capa / hhe/d escalation is required, as the complaint investigation did not confirm the product was nonconforming at the time of distribution, and no new failure mode, harm, or hazardous situation was identified through the investigation performed.The following sections have been updated: b4: date of this report g3: date received by manufacturer g6: checked "follow-up" h2: checked follow-up type h3: device evaluated by manufacturer h10: added manufacturer narrative.
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