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The investigation was performed based on expert discussions (considering complaint description, cs reports, system history, and system log files).During an interventional procedure, image artefacts appeared on the screen.The procedure was continued and finished using an alternative system.After a thorough investigation onsite, a defective flat detector was identified and was determined to have caused the image artefacts.The affected part was replaced as part of service activity, which resolved the problem.The occurrence rate of this error pattern was checked.A possible error accumulation or even a systematic error, which leads to a corrective action of the installed base, could not be determined by the investigation.The incident described in the event was not classified as a reportable adverse event after detailed investigation.Neither serious injury, death nor an unexpected, prolonged hospitalization of the patient or any other person occurred or could be expected.The corresponding probability according to the risk analysis is in the range of inconceivable.
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