Device Problem
Unintended Movement (3026)
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Patient Problem
No Consequences Or Impact To Patient (2199)
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Event Date 01/11/2018 |
Event Type
malfunction
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Manufacturer Narrative
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Rca still under investigation.The problem could not be recreated.Controlboard is exchanged.The old board is sent to us for further investigation.
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Event Description
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Uncontrolled movement of the u-arm.A bilateral knee examination (right knee) has been performed on a lying patient with near vertical beam direction (5 °), the detector underneath the table.The u-arm has then been lowered and positioned for a sunrise or skyline examination where the tube is tilted about 20 ° to get a picture of the knee bowl.The user has released the button at the desired position, but the u-arm continued to rotate until it stopped in position for a horizontal beam targeting.The table with the patient was pulled upwards and the users who was focused on the patient did not activate the emergency stop.No one was injured.
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Manufacturer Narrative
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The problem could not be recreated.The control board has been analysed by original manufacturer, syfm co., ltd (shin young for m).No failure detected, the control board works as intended within specifications.User error can not be ruled out.The device is consider safe, the user manual clearly states on the first page the importance of trained personnel, how to operate the device and that the emergency stop should be used.
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Event Description
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Uncontrolled movement of the u-arm.A bilateral knee examination (right knee) has been performed on a lying patient with near vertical beam direction (5 °), the detector underneath the table.The u-arm has then been lowered and positioned for a sunrise or skyline examination where the tube is tilted about 20 ° to get a picture of the knee bowl.The user has released the button at the desired position, but the u-arm continued to rotate until it stopped in position for a horizontal beam targeting.The table with the patient was pulled upwards and the users who was focused on the patient did not activate the emergency stop.No one was injured.
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Search Alerts/Recalls
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