Varian Medical Systems Inc Varian brand Clinac, Accelerator, Linear, Medical charged-particle radiation therapy system; Model: Low Energy Clinacs with one or more of the following options: -- BrainLAB micro MLC -- Stereotactic motion disable Product is manufactured and distributed by Varian Medical Systems, Palo Alto, CA Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Varian brand Clinac, Accelerator, Linear, Medical charged-particle radiation therapy system; Model: Low Energy Clinacs with one or more of the following options: -- BrainLAB micro MLC -- Stereotactic motion disable Product is manufactured and distributed by Varian Medical Systems, Palo Alto, CA
Brand
Varian Medical Systems Inc
Lot Codes / Batch Numbers
The Serial Numbers: H180001, H180007, H180076, H180143, H180147, H180169, H180181, H180187, H180195, H180222, H180273, H180276, H180311, H180314, H180322, H180460, H180467, H180473, H180490, H180493, H180514, H180533, H180550, H180563, H180566, H180570, H180576, H180599, H180613, H180631, H180671, H180690, H180697, H180718, H180731, H180739, H180779, H180785, H180786, H180808, H180815, H180816, H180822, H180836, H180844, H180855, H180877, H180894, H181065, H180066, and H180769
Products Sold
The Serial Numbers: H180001, H180007, H180076, H180143, H180147, H180169, H180181, H180187, H180195, H180222, H180273, H180276, H180311, H180314, H180322, H180460, H180467, H180473, H180490, H180493, H180514, H180533, H180550, H180563, H180566, H180570, H180576, H180599, H180613, H180631, H180671, H180690, H180697, H180718, H180731, H180739, H180779, H180785, H180786, H180808, H180815, H180816, H180822, H180836, H180844, H180855, H180877, H180894, H181065, H180066, and H180769
Varian Medical Systems Inc is recalling Varian brand Clinac, Accelerator, Linear, Medical charged-particle radiation therapy system; Model: due to The collimator drive chain may break or slip off of its drive track, allowing the collimator to rotate freely without motor control; if undetected re. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
The collimator drive chain may break or slip off of its drive track, allowing the collimator to rotate freely without motor control; if undetected resulting in a treatment with the wrong collimator angle.
Recommended Action
Per FDA guidance
On 9/10/07, the firm issued an Urgent Medical Device Correction letter to all its direct consignees, informing them of the device defect and providing instructions on the recall. Short term user instructions were provided and the firm will schedule follow-up visits to make the needed permanent device corrections at each device site.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026