The patient was moved to a different table and the procedure was completed successfully.No injury to the patient or user was reported.The table subject of the reported event was removed from service pending evaluation from a steris service technician.A steris service technician arrived on-site, and identified that the override switch was damaged and the override switch guard was missing from the table.Because the override switch guard was missing from the table this allowed the reported damage to occur to the override switch.The technician concluded that the damaged override switch resulted in continuous activation of the table, causing the unintended movement of the table and the burning smell reported by the user facility.The table was installed at the user facility in 2004 and is not under steris contract for maintenance services, all maintenance is performed by the user facility.The 3085sp surgical table's operator manual states on page 1-2, "warning - personal injury and/or equipment damage hazard: repairs and adjustments to this equipment must be made only by fully qualified service personnel.Nonroutine maintenance performed by inexperienced, unqualified personnel or installation of unauthorized parts could cause personal injury, invalidate the warranty, or result in costly damage.Contact steris regarding service options." steris last performed service on the 3085sp surgical table subject of the reported event in 2011 when the override switch guard was installed.It is unknown when the override switch guard was removed by the user facility.The steris service technician replaced the override switch, installed a new override switch guard, tested the table, and confirmed it to be operating according to specification.The table was returned to service at the user facility.No additional issues have been reported.
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