Elekta Limited Linac House Fleming Way Crawley United Kingdom Elekta Unity, Philips Marlin Software versions: R5.3.30, R5.3.31, R6.0.5331, R5.7.0, R5.7.1, R6.1.571 Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Elekta Unity, Philips Marlin Software versions: R5.3.30, R5.3.31, R6.0.5331, R5.7.0, R5.7.1, R6.1.571
Brand
Elekta Limited Linac House Fleming Way Crawley United Kingdom
Lot Codes / Batch Numbers
Software versions: R5.3.30, R5.3.31, R6.0.5331, R5.7.0, R5.7.1, R6.1.571. UDI Number 05060191071321. Anatomy (Protocol Name): Abdomen (btFFE Cor RealTime, btFFE Cor Sag RealTime, btFFE Cor Sag Tra RealTime, btFFE Fast Sag Cor RealTime, btFFE Sag RealTime), HeadNeck L (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime), HeadNeck M (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime), Pelvis L (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime), Pelvis M (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime), Thorax (btFFE Cor RealTime, btFFE Cor Sag RealTime, btFFE Cor Sag Tra RealTime, btFFE Sag RealTime, btFFE Sag RealTime)
Products Sold
Software versions: R5.3.30, R5.3.31, R6.0.5331, R5.7.0, R5.7.1, R6.1.571. UDI Number 05060191071321. Anatomy (Protocol Name): Abdomen (btFFE Cor RealTime, btFFE Cor Sag RealTime, btFFE Cor Sag Tra RealTime, btFFE Fast Sag Cor RealTime, btFFE Sag RealTime); HeadNeck L (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime); HeadNeck M (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime); Pelvis L (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime); Pelvis M (bFFE Cor RealTime, bFFE Cor Sag RealTime, bFFE Cor Sag Tra RealTime, bFFE Sag RealTime, bFFE Sag Tra RealTime); Thorax (btFFE Cor RealTime, btFFE Cor Sag RealTime, btFFE Cor Sag Tra RealTime, btFFE Sag RealTime, btFFE Sag RealTime)
Elekta Limited Linac House Fleming Way Crawley United Kingdom is recalling Elekta Unity, Philips Marlin Software versions: R5.3.30, R5.3.31, R6.0.5331, R5.7.0, R5.7.1, R6.1.57 due to In TSM (Treatment Session Manager) Motion Monitoring workflows, under certain conditions there can be a mismatch between the contour data overlay with. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
In TSM (Treatment Session Manager) Motion Monitoring workflows, under certain conditions there can be a mismatch between the contour data overlay with respect to the motion monitoring images of the monitored structure.
Recommended Action
Per FDA guidance
Elekta notified customers of the recalls on about 05/21/2020 via "URGENT IMPORTANT FIELD SAFETY NOTIFICATION" letter. Customers were informed that in TSM (Treatment Session Manager) Motion Monitoring workflows, under certain conditions there can be a mismatch between the contour data overlay with respect to the motion monitoring images of the monitored structure. Instructions included that although there is no method to correct the scaling issue for the affected protocols, the device can still be used under two options: 1. Without the use of Motion Monitoring and 2. compensation for intra-fraction motion can be done through the acquisition of a 3D Verification MRI, which is not impacted by the scaling issue. On 08/05/2020, Elekta issued an additional customer notification to provide additional details of the recall status and to clarify and provide a more generic message regarding the recall issue.
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
IA, NY, PA, TX, WI
Page updated: Jan 10, 2026