Varian Medical Systems, Inc.

Modifications in version 13.6MR2 for Contouring, SmartAdapt, and SmartSegmentation workspaces resulted in contours not being saved consistently in Eclipse. Treatment Planning System. The issue only occurs if certain conditions are fulfilled.

Varian Medical Systems has received a report that a user was able to easily rotate the head frame posts when attached to the mounting cam on the metal head ring. There was no report of serious injury due to this issue

Varian Medical Systems has received reports that unintended changes were made to planned couch parameters, specifically the couch rotation parameter, during patient set-up. This can occur when a user sets a different couch rotation from the plan couch rotation while performing patient alignment with Optical Surface Monitoring System [OSMS].

Varian Medical Systems has received reports that unintended changes were made to planned couch parameters, specifically the couch rotation parameter, during patient set-up. This can occur when a user sets a different couch rotation from the plan couch rotation while performing patient alignment with Optical Surface Monitoring System [OSMS].

When using PBC 11.0.31 to calculate the dose for a conventional arc field with more than 100 segments for Eclipse versions 11.0, 13.0, 13.5 or 13.6, the displayed dose does not correspond to the calculated Monitor Units (MU). Potential for unintended radiation exposure.

An anomaly was identified with the ARIA for Radiation Oncology software with a Clinical Assessment license. Admin Instructions may not print on drug order prescriptions or be transmitted with e-Rx.

After an application freeze and restart of the VariSource iX series by power cycling, the Partial Fraction generated by the system will not be correct. The application freeze issue affects only the systems equipped with magnetic Hard Disk Drives (HDD).

Varian has discovered that there is a discrepancy in the absolute dose rate given with the Leipzig-style Surface Applicator's Instructions for Use (IFU): Dose Characterization GM11010080 2012-09-06. The actual dose rate of the applicator is approximately 14% higher than the rate published within the IFU. Use of the dose rate as provided by the IFU without modification or independent confirmat

Varian MedicalSystems' X-ray generator Supplier (CPI) has identified that 32 VMS150 X-ray Generators were shipped that are missing a ground wire between the EMIbraid on the induc­ tion assembly cable and the ground stud on the lid of the High Voltage Module.

Due to user error, the 4DITC can improperly allow users to clear a safety interlock imposed by the 4DITC on behalf of Varian's Bar Code Conical Verification system from the BrainLab's ExacTract console when it is used with BCCV.