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Investigation results were made available.Event description: product was implanted on unknown dated and revised on (b)(6) 2019 due to nail fracture and iterative fracture of the proximal femur.Plate osteosynthesis of the femur was performed.Review of received data: no medical data relevant to the case has been received.Due diligence: no further due diligence required as all required information to support the conclusion is available or was already requested.No additional information has been received despite multiple follow-up requests.Product evaluation: no product was returned; therefore, visual and dimensional evaluation could not be performed.Review of product documentation: device purpose: this device is intended for treatment.Product compatibility: the compatibility check could not be performed as only the complained product is known.Dhr review: review of the device history records identified no deviations or anomalies during manufacturing.Raw material certificate: the raw material certificate was reviewed with no anomalies noted.There was a documentation correction due to wrong document revision referenced (ncr#: 500068567).No ncr with a potential correlation to the reported event was found.Conclusion: product was implanted on unknown dated and revised on (b)(6) 2019 due to nail fracture and iterative fracture of the proximal femur.Plate osteosynthesis of the femur was performed.Based on the investigation the reported event cannot be confirmed.Neither x-rays, operative notes, office visit notes, nor device(s) or photos of the device(s) were received; therefore the condition of the component is unknown.It remains unknown how long the nail was implanted and whether a bone fusion has occurred.Moreover, it cannot be determined whether the iterative fracture of the proximal femur has occurred prior or after fracture of the nail.Patient factors that may have affected the performance of the components such as bone quality, activity level, type of activity (low impact vs.High impact), and relevant medical history are unknown.Adherence to rehabilitation protocol is unknown.The quality records show that all specified characteristics have met the specifications valid at the time of production.Therefore, the investigation did not identify a nonconformance or a complaint out of box (coob).Based on the given information and the results of the investigation, we were not able to identify a specific root cause for this issue.The need for corrective measures is not indicated and zimmer switzerland manufacturing gmbh considers this case as closed.Zimmer biomet's reference number of this file is (b)(4).
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