The customer reported that after a patient scan, a dark circular artifact appeared on the scanned images.There was no misrepresentation as a result of the artifact.A philips field service engineer (fse) confirmed there was no harm to a patient and no report of misrepresentation and/or mistreatment as a result of this reported issue.The fse confirmed that ring artifacts were present on scan images in the region of interest.The fse visually inspected the system, ran test scans, and found a crack on the compensator within a-plane collimator.The fse replaced the a-plane collimator and recalibrated the system to resolve the issue.The system was returned to clinical use.This issue has been determined not to be a reportable event.
|