A retrospective review was performed by agfa for events, from years 2012 to (b)(6) 2015, related to unexpected movement of dx-d600 systems.Vigilance activity to report identified events was implemented march 2015.The following event was identified and is being reported to the fda.The customer reported to agfa, that even after software upgrade to version 3.5, they continue to experience uncontrolled movement of the wall bucky of their dx-d600 system while making adjustments to the overhead tube crane (otc).When trying to move the otc manually towards the wall stand the motors were trying to drive in the opposite direction in both x and y directions.In fact by just pushing the button for transversal and not holding the ferrari wheel the motor drove the tube back towards the table.The operator selected a thumbnail for table and then again the thumbnail for wall stand that was previously used and then it worked as expected.The problem could not be reproduced.Updates and part exchanges had already been performed on this system in november/december 2013, with assistance from (b)(4), agfa's supplier.Further investigation in review of the log files, revealed a software problem in the nova firmware.A new software upgrade to version 3.6 was performed on the system for this event.The system has been corrected.Agfa has initiated the following corrective actions related to unintended movement of dx-d600 systems to address these unexpected movements.On july 2, 2014, vigilance activity was initiated to report corrections to fda (fda # z-2175-2014) for a mandatory software upgrade of dx-d600 full automatic systems to version 3.6 to prevent unexpected system movements.On december 15, 2014, vigilance activity was also initiated to report additional corrections to fda in the same (fda # z-2175-2014) to implement the mandatory upgrade of semi-automatic dx-d600 systems to version 3.6 to prevent unexpected system movements and to implement the mandatory upgrade of analog manual dx-d600 systems to an improved detent fixation.There were no reports of harm to any patient or user.
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