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.
- Company
- Elekta, Inc.
- Recall Initiated
- December 18, 2015
- Terminated
- September 15, 2021
- Recall Number
- Z-0604-2016
- Quantity
- 154
- Firm Location
- Atlanta, GA
Reason for Recall
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.
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 / Code Info
Versions 3.3 and higher
Root Cause
Software design
Action Taken
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.