The customer reported that the service latch was loose and the table was free floating.The philips customer support specialist (css) confirmed there was no harm to a patient, bystander, or operator.The field service engineer (fse) confirmed the service latch was loose and re-secured the service latch to resolve the issue.
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(b)(4).On (b)(6) 2014, the customer, (b)(6) health system- (b)(6), reported that the fse was working on the system on friday (b)(6) 2014, and then weekend technicians had issues with the table top moving back too far and it needs to be checked, for (b)(4).The system was in clinical use at the time the issue was discovered.There was no report of any harm to the operator, patient or bystander during the incident.The customer contacted the philips help desk to inform them of the issue.The philips field service engineer (fse) was dispatched to the site.The fse arrived at the site and evaluated the system.Fse determined that the service latch was not secured and re secured the service latch nut to resolve the issue.After replacement, the fse verified that the table movement is correct.No other service latch complaints have been received from the customer after the service latch was re-secured.There was no part replacement.A review of the service work orders (swo) showed that the last service done (before this event) on the site was from (b)(4) 2014.Ct engineering determined that the overall risk is acceptable.Ct engineering also determined that there is a potential for undesired radiation to the patient due to carbon top stops/free floats before scan completed.In such cases, the trained professional may determine a rescan is necessary.The risk associated with a rescan from a ct scanner is acceptable.A field safety notification (fsn 72800614) was sent to the field on 08 apr 2014 stating that: if the customer experiences a horizontal, free floating couch motion, they have to contact their field service engineer immediately.A copy of this field safety notice has to be retained with the equipment instructions for use (ifu).Additionally, the service manual is being revised to provide more robust instructions on how to service the patient support.The service manual changes are internal philips documents.Fse did not have fully engaged the service latch after the last service call and it worked loose over time.
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