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The reported event could be confirmed, based on the provided x-ray image for investigation.The medical expert opinion revealed the following: based on the single available x-ray image, distal implant breakage can be confirmed; however, further conclusions regarding the condition of the proximal stem, the nature of the suspected separated fragment, and overall implant positioning remain limited due to insufficient radiological views and missing clinical information.While notable osteolysis and possible implant subsidence or low positioning are observed, the root cause of failure cannot be determined without comprehensive clinical details, additional imaging, and the treating physician¿s assessment.Therefore, no definitive conclusion regarding the patient, procedure, or device-related causes of failure can be provided at this time.A review of the device history was not possible because the lot number was not communicated.No corrective actions are required at this time.A review of the labeling did not indicate any abnormalities.Indications of material, manufacturing, or design related problems were unable to be identified as the lot number was not communicated.More detailed information about the complaint event as well as the affected device must be available in order to determine the root cause of the complaint event.If the device is returned or if any additional information is provided, the investigation will be reassessed.
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