The MHRA has issued a medical device alert for the linear accelerator system C-Series Clinacs, manufactured by Varian Medical Systems Inc.
The alert warns that a collision between the gantry and the patient may occur if a patient previously treated using a C-Series Clinac running version 6.X software is then treated using a C-Series Clinac running version 7.X software.
The MHRA is asking that:
• All users are aware of which software version is running on each machine and of the differences between the software versions (see Customer Technical Bulletin);
• All remote movement of equipment is closely observed to avoid collisions occurring.
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