ClearanceBrief
Recall Z-2091-2019 ยท MUJ System, Planning, Radiation Therapy Treatment

Elekta Inc

Monaco RTP System, software versions 5.10 and 5.11, Radiation Treatment Planning System

DateJul 3, 2019
StatusOpen, Classified
ReasonWhen creating 3D plans using either MU or Dose weighting modes, if the user changes the number of fractions, rescales the plan and then changes the wedge angle, the Monitor Units are scaled incorrectly.
Root causeUnder Investigation by firm
ActionElekta began distribution of their Important Field Safety Notice to all affected customers from 07/03/2019 by email. The notice informs users of the specific product and version numbers affected by the issue, and any work-arounds that can be used to avoid the issue. The problem will be resolved in a future Monaco software release.
Quantity1396 units
Distributionworldwide
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K151233Monaco
Impac Medical Systems, Inc., Jul 7, 2015