FDA Medical Device Recalls (openFDA)
Elekta, Inc.: Oncentra External Beam - VMAT - Radiation therapy planning system Product Usage: The Oncentra system is a radiation treatment planning software designed to analyze and plan radiation treatments in three dimensions for the purpose of treating patients with cancer.
- Recall number
- Z-0604-2016
- Recalling firm
- Elekta, Inc.
- Product
- Oncentra External Beam - VMAT - Radiation therapy planning system Product Usage: The Oncentra system is a radiation treatment planning software designed to analyze and plan radiation treatments in three dimensions for the purpose of treating patients with cancer.
- Status
- Terminated
- Initiated
- 2015-12-18
- Posted
- not on file
- Terminated
- 2021-09-15
- Reason
- When using the option "Tumor Overlap Fraction" in VMAT planning it has been observed that in rare cases the system does include an organ at risk as target volume. This could result in open MLC, and open jaws in areas away from the target volume.
- Root cause
- Software design
- Action
- Elekta sent an Important Field Safety Notice 806-01-ETP-001 to all affected customers on December 18, 2015. The notice informs users of the issue and that should the issue occur it could result in overdosage of organs at risk outside the intended treatment volume. Users are strongly advised to perform proper Quality Assurance for all treatment plans before delivery of the first fraction to the patient. To prevent the issue from occurring, the workaround is to not use the Tumor Overlap Fraction for VMAT planning.and not to use the Tumor Overlap Fraction for VMAT planning. The issue will be solved in Oncentra External Beam version 4.5.2. The notice included an acknowledgement form which is to be returned to Elekta. For questions contact your local Elekta representative.
- Quantity
- 154
- Distribution
- Worldwide Distribution - US Nationwide in the states of CA, NY, PA, and the countries of Austria, Belarus, Canada, China, Denmark, Finland, France, Germany, Greece, India, Italy, Japan, Netherlands, Norway, Poland, South Korea, Spain, Sweden and United Kingdom.
- Lot, serial or model codes
- Versions 3.3 and higher
- 510(k) numbers
- ["K121448"]
- PMA numbers
- not on file
- Product code
- MUJ
- Firm FEI
- 1037831
- Firm city
- Atlanta
- Firm state
- GA
- Firm country
- not on file
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28