Class II — Potential Health Hazard

Potential health hazard — use of or exposure to this product may cause temporary or medically reversible adverse health consequences.

RayStation Radiation Therapy Treatment Planning System Recalled by RAYSEARCH LABORATORIES AB Due to An issue with photon dose calculation for DMLC...

Date: March 4, 2015
Company: RAYSEARCH LABORATORIES AB
Status: Terminated
Source: FDA (Device)

What You Should Do

Stop using this product immediately. Do not consume, use, or distribute it.

Return the product to the place of purchase for a full refund. If you have questions, contact RAYSEARCH LABORATORIES AB directly.

Affected Products

RayStation Radiation Therapy Treatment Planning System; -- RayStation 3.5, RayStation 4.0, RayStation 4.5 and RayStation 4.7. For RayStation 4.7, the issue applies also to machines with fixed jaws, regardless of MLC/jaw position. RayStation is a software system designed for treatment planning and analysis of radiation therapy.

Quantity: Domestic: 245 units

Why Was This Recalled?

An issue with photon dose calculation for DMLC (Dynamic MLC) plans for machines where the MLC is positioned above the jaws, e.g. some Elekta linacs. The magnitude of the error depends on the beam model output factor corrections and on the individual DMLC plan characteristics.

Where Was This Sold?

This product was distributed nationwide across all 50 states.

Affected (51 states)Not affected

About RAYSEARCH LABORATORIES AB

RAYSEARCH LABORATORIES AB has 113 total recalls tracked by RecallDetector.

Related Recalls

Data sourced from the FDA (Device). Last updated March 26, 2026. View original report