ClearanceBrief
Recall Z-1930-2019 ยท MUJ System, Planning, Radiation Therapy Treatment

RAYSEARCH LABORATORIES AB

RayStation 3.5, RayStation 4.0, RayStation 4.5, RayStation 4.7, RayStation 5, RayStation 6, RayPlan 1 (RayStation 4.9) and RayPlan 2 (RayStation 6) . Intended Use: software system designed for treatment planning and analysis of radiation therapy

DateNov 20, 2017
StatusTerminated
ReasonWhen calculating electron Monte Carlo dose with a very large number of histories, the dose calculation may be wrong
Root causeSoftware design
ActionRaySearch issued Field Safety Notice, Medical Device Correction #24138 via email on November 20th, 2017. The letter identifies the product, issue, health risk and action to take: Do not use a number of histories above 6 million for electron dose calculation. Inspect all commissioned electron beam models for any applicator calculated with greater than 6 million. Contact customer support if you have any further questions. Confirm you have read and understood this notice. This issue will be resolved in the next version of RayStation, scheduled for market release in December 2017. Educate plannin
Quantity744
DistributionUS Nationwide Distribution
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K171536RayStation
RaySearch Laboratories AB (PUBL), Jun 27, 2017