RecallDepth

High-Definition 120 MultiLeaf Collimator, Medical charged-particle radiation therapy system; Software Version 7.0; Product Code: H56; Accessory to Medical Linear Accelerator.

This recall has been terminated (originally issued August 2, 2008).

Company
Varian Medical Systems Oncology Systems
Recall Initiated
January 30, 2008
Posted
August 2, 2008
Terminated
August 18, 2010
Recall Number
Z-1459-2008
Quantity
3 units subject to correction
Firm Location
Palo Alto, CA
Official Source
View on FDA website ↗

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.

Distribution

Nationwide Distribution including states of NC, FL and CA.

Lot / Code Info

Serial Number 1009.

Root Cause

Software design

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.

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