Medical device manufacturer, Varian Medical Systems (Varian), has issued a Field Safety Notice concerning Eclipse™ Treatment Planning System, Versions 7.3, 8.0, 8.1, 8.2, 8.6, 8.9 and 10.0.

According to Varian, an anomaly has been identified with the Eclipse™ Treatment Planning System where the calculated dose distribution is not updated or invalidated when a recalculation or reload is performed while the compensator or fluence editor is open. The issue may go unnoticed. Proceeding to approve and treat with such a plan can result in the delivered dose distribution not matching the calculated dose distribution.

Varian is notifying all possibly affected customers with a field safety notice. According to Varian, the affected devices were distributed to Hong Kong.

If you are in possession of the products, please contact your supplier for necessary actions.