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High-Definition 120 MultiLeaf Collimator, Medical charged-particle radiation therapy system; Software Version 7.0; Produ

FDA device recall Z-1459-2008 · posted 2008-08-02 · Terminated

Recall details

Recalling firm
Varian Medical Systems Oncology Systems
Reason for recall
Dose Calculation Error: Software anomaly may result in failure of a MLC leaf to reach planned position, potentially resulting in misadministration of dose to a patient.
Action taken
Consignees were notified by a Medical Device Notification letter sent on 01/29/2008. The letter advised users to cease use of the device until a corrected version of the software is available. A representative will contact users to upgrade the application once the revised software has been validated and released for distribution.
Root cause
Software design
Status
Terminated
Product code
IYE
Quantity affected
3 units subject to correction
Distribution
Nationwide Distribution including states of NC, FL and CA.
Date initiated
2008-01-30
Date posted
2008-08-02
Date terminated
2010-08-18
Location
Palo Alto, CA

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Related 510(k) clearances

RecordFirmDate
HIGH-DEFINITION 120 MULTILEAF COLLIMATOR (HD120 MLC) (K071992)Varian Medical Systems2007-08-15