The multix fusion unit is designed with the dmg (deadman grip) function; motorized movements are only activated when a control element is activated to continue.All system movement will be stopped if the control element is released.In the reported event, the operator released the switch, and the table movement was blocked preventing any injury to the patient.The described behavior proves that the dmg function is within specifications, and this safety measure is effective.Additionally, the unit is equipped with red stop emergency button to prevent all system movement as well as tabletop collision detection sensors.The operator manual mentions dangers of crushing or collision for persons when lowering the patient table, and advises operators to pay attention to unit movements and danger zones.The concerned unit was checked by local siemens service engineer.The machine was found to be within specifications.Internal id # (b)(4).
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Siemens became aware of an incident that occurred on the multix fusion x-ray machine.During a patient exam, the operator drove the table down on to a patient leg.All device movements stopped after the collision.A small red bruise on top of the patient's knee was reported.The patient was referred to ortho specialist, however, no x-rays were required.
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