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Recall

Class II — Varian Medical Systems, Inc.

Recalling firmVarian Medical Systems, Inc
Registered facilityView this company's 14 registered facilities → (openFDA recall records do not name a specific facility)
ClassificationClass II
StatusTerminated
ReasonAn anomaly has been traced to a software deficiency within the Plan Parameters workspace. When a dose relevant parameter is changed and "do no clear MUs and Reference Point dose" is selected, the Monitor units may change.
ProductPlan Parameters workspace within Eclipse Treatment Planning System Version 11 and 13; ARIA Radiation Oncology versions 11 and 13 Acuity, versions 11 and 13. Manufactured by Varian Medical Systems Palo Alto, CA. Used in radiation therapy simulation.
Quantity6701
DistributionWorldwide Distribution.
Initiated2013-11-18
Classified2013-12-20
Terminated2015-03-13
Recall numberZ-0552-2014
InitiationVoluntary: Firm initiated

Source: U.S. FDA via openFDA (opens in a new tab) (device registration & enforcement). Data as of 2026-10-06. Verify this recall record at FDA → (opens in a new tab)

Cite this record

RegWarden. “Class II recall — Varian Medical Systems, Inc. (Z-0552-2014).” Compiled from U.S. FDA public records (openFDA; FDA Data Dashboard). Data as of 2026-10-06. https://regwarden.com/recall/66956/

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