(b)(4).On (b)(6) 2014, the customer, (b)(6), alleged that during a clinical procedure, the table top is not locking correct, for (b)(4).There was no report of any harm to the operator, patient or bystander during the incident.The operator was able to complete the procedure successfully, there was no rescan/reinjection required.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 to resolve the issue.No other service latch complaints have been received from the customer after the service latch was re-secured.After the fse's service, the system is working as specified.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.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 if a rescan is necessary.The risk associated with a rescan from a ct scanner is acceptable.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.The cause of the loose service latch could not be determined based on the information received from the field.
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