Philips received a complaint from the customer in which they stated that the device was in use for a procedure in order to treat a patient with an occlusion in a heart vessel.They wanted to open the vessel, but the system didn't work, so the vessel was closed for long time and parts of the heart got irreparable harm.According the doctor in charge, the procedure was completed on an second system, 1,5 hour later, because this system was in use with another patient.
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Philips investigated the complaint and found that the problem was caused by a defect on the operating system disk in the in image processing pc.There were many defect sectors on this operating system disk.The imaging chain didn't show an image, because the image processor pc software couldn't be programmed any more.The parameter initialization fails.A cold restart doesn't work either.After replacement of the hard disks in the image processor pc, the issue was resolved.(b)(4).
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