ClearanceBrief
Recall Z-0721-2017 ยท MUJ System, Planning, Radiation Therapy Treatment

RAYSEARCH LABORATORIES AB

RayStation 4.0, 4.5, 4.7 and 5.0; Radiation Therapy Treatment Planning System Product Usage: RayStation is a software system designed for treatment planning and analysis of radiation therapy. The treatment plans provide treatment unit set-up parameters and estimates of dose distributions expected during the proposed treatment, and may be used to administer treatments after review and approval by

DateNov 9, 2016
StatusTerminated
ReasonSoftware anomaly; an issue was found with the proton Pencil Beam Scanning (PBS) dose calculation in RayStation 4.0, 4.5, 4.7 and 5.0. For treatment plans with a combination of range shifter, large air gap and beams that enter the patient surface at an oblique angle, the dose calculation accuracy may be less than expected.
Root causeSoftware design
ActionRay Search sent an Urgent Field Safety Notice Medical Device Correction letter (dated 11/8/2016) via e-mailed to customers. The letter identified the affected product, problem and actions to be taken. Customers were instructed to Inspect their product and identify all installed units with the above software version number, then confirm you have read and understood this notice (contact information included).
QuantityUS: 66 units
DistributionUS Nationwide Distribution in the states of California, Florida, Illinois, Louisiana, Michigan, New Jersey, Tennessee, Texas, Washington
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K160093RayStation
RaySearch Laboratories AB (PUBL), Apr 8, 2016