ClearanceBrief
Recall Z-1645-2014 ยท IYE Accelerator, Linear, Medical

Siemens Medical Solutions USA, Inc

550 TxT Treatment Table of the Digital Linear Accelerator (LINAC) To deliver X-ray radiation for therapeutic treatment of cancer.

DateMay 21, 2014 (initiated Apr 1, 2014)
StatusTerminated
ReasonTable may lose calibration during patient treatment, which may cause the possibility of mistreatment.
Root causeSoftware design
ActionSiemens sent an Medical Device Correction, Field Safety Notice of Improvement to End users in March 2014, informing them that a Siemens representative would install a software update. By installation of this software update the issues were solved by the following actions: 1. A plausibility check was introduced for comparing the two independent encoder systems of each table axis. 2. The time between two encoder comparisons was reduced to 50ms and an error code was introduced. Please include this Field Safety Notice in your Digital Linear Accelerator System Owner Manual chapter "Safety
Quantity120
DistributionUSA ( nationwide) Distribution.
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K031764ONCOR AVANT-GARDE WITH COHERENCE WORKSPACES
Siemens Medical Solutions USA, Inc., Sep 5, 2003
K072485ARTISTE MV SA
Siemens Medical Solutions USA, Inc., Dec 27, 2007