ClearanceBrief
Recall Z-1580-2015 ยท IYE Accelerator, Linear, Medical

Viewray Incorporated

ViewRay System, Radiation Therapy System

DateMay 5, 2015 (initiated Jan 15, 2015)
StatusTerminated
ReasonThe software was not correctly using the RT (Radiation Therapy) to MR (Magnetic Resonance image) coordinate correction for non HFS (Head First Supine) patient orientations, resulting in slice mismatch error.
Root causeSoftware Design Change
ActionOn January 15, 2014, ViewRay personnel discussed the investigation of the issue (slice mismatch error) with the customer. The firm advised the customer that until the issue was corrected, to not treat patients in non HFS orientations, or to use the MR acquired from the ViewRay system as the primary plan series for non HFS scans. ViewRay installed software version 3.4.5.28 on January 20 and 21, 2014, in order to prevent this slice mismatch error from occurring in any patient position.
Quantity1
DistributionUS distribution to MO.
FDA recordOpen on fda.gov

510(k) clearances named in this recall

K111862VIEWRAY SYSTEM
Viewray, Incorporated, May 22, 2012