Accuray Incorporated TomoTherapy Treatment Delivery System with iDMS - Product Usage: used as an integrated system for the planning and precise delivery of radiation therapy, stereotactic radiotherapy, or stereotactic radiosurgery to tumors or other targeted tissues while minimizing the delivery of radiation to vital healthy tissue. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
TomoTherapy Treatment Delivery System with iDMS - Product Usage: used as an integrated system for the planning and precise delivery of radiation therapy, stereotactic radiotherapy, or stereotactic radiosurgery to tumors or other targeted tissues while minimizing the delivery of radiation to vital healthy tissue.
Brand
Accuray Incorporated
Lot Codes / Batch Numbers
Product Codes: 104430, 1018286, H-0000-0003, 1018283. System Version: 1.2 (also referred to as 5.6.2). Serial Numbers: 110105, 110219, 110221, 110267, 110284, 110290, 110308, 110368
Products Sold
Product Codes: 104430, 1018286, H-0000-0003, 1018283. System Version: 1.2 (also referred to as 5.6.2). Serial Numbers: 110105, 110219, 110221, 110267, 110284, 110290, 110308, 110368,
Accuray Incorporated is recalling TomoTherapy Treatment Delivery System with iDMS - Product Usage: used as an integrated system for th due to "MLC tickle error" may result in the delivered dose to effectively rotate from the planned dose.. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
"MLC tickle error" may result in the delivered dose to effectively rotate from the planned dose.
Recommended Action
Per FDA guidance
Urgent Medical Device Recall "MLC tickle error" issue during TomoHelical deliver was sent to customers beginning 12/10/2020. Accuray is planning software releases that will address this issue. All TomoTherapy systems at affected software versions will be upgraded to these versions once released.
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