Varian Medical Systems Inc 3100 Hansen Way M/S E-210 Palo Alto CA 94304 Clinac (linear accelerator); Model 21EXS Silhouette Machine (slim version of the Clinac); Distributed by and/or Manufactured by: Varian Medical Systems, Palo Alto, CA 94304. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Clinac (linear accelerator); Model 21EXS Silhouette Machine (slim version of the Clinac); Distributed by and/or Manufactured by: Varian Medical Systems, Palo Alto, CA 94304.
Brand
Varian Medical Systems Inc 3100 Hansen Way M/S E-210 Palo Alto CA 94304
Lot Codes / Batch Numbers
Affected Serial Numbers: H140001, H140002, H140003, H140004, H140005, H140006, H140007, H140009, H140022, H140010, H14001, H140012, H140013, H140014, H140015, H140016, H140017, H140018, H140019, H140021, H140023, H140024, H140025.
Products Sold
Affected Serial Numbers: H140001, H140002, H140003, H140004, H140005, H140006, H140007, H140009, H140022, H140010, H14001, H140012, H140013, H140014, H140015, H140016, H140017, H140018, H140019, H140021, H140023, H140024, H140025.
Varian Medical Systems Inc 3100 Hansen Way M/S E-210 Palo Alto CA 94304 is recalling Clinac (linear accelerator); Model 21EXS Silhouette Machine (slim version of the Clinac); Distribut due to Emergency Off Switch located on the device may not function correctly resulting in the device remaining powered on after the switch is activated.. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
Emergency Off Switch located on the device may not function correctly resulting in the device remaining powered on after the switch is activated.
Recommended Action
Per FDA guidance
On 3/16/05, the firm initiated the recall and their notification was via letters informing its customers of the corrective action.
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 noticeDistribution
As reported by FDA
CA, CT, IL, IN, KY, MI, NJ, NY, NC, OH, OR, SC, TN, TX, VA, WA
Page updated: Jan 10, 2026