FDA Medical Device Recalls (openFDA)
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 the intended user. The system functionality can be configured based on user needs. The intended users of RayStation shall be clinically qualified radiation therapy staff trained in using the system.
- Recall number
- Z-0721-2017
- Recalling firm
- RAYSEARCH LABORATORIES AB
- Product
- 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 the intended user. The system functionality can be configured based on user needs. The intended users of RayStation shall be clinically qualified radiation therapy staff trained in using the system.
- Status
- Terminated
- Initiated
- 2016-11-09
- Posted
- not on file
- Terminated
- 2019-06-11
- Reason
- Software 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 cause
- Software design
- Action
- Ray 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).
- Quantity
- US: 66 units
- Distribution
- US Nationwide Distribution in the states of California, Florida, Illinois, Louisiana, Michigan, New Jersey, Tennessee, Texas, Washington
- Lot, serial or model codes
- Build numbers: 4.0.2.9, 4.0.3.4, 4.5.0.19, 4.5.1.14, 4.5.2.7, 4.7.0.15, 4.7.1.10, 4.7.2.5, 4.7.3.13, 4.7.4.4, 4.7.5.4, 5.0.0.37, 5.0.1.11 or 5.0.2.35
- 510(k) numbers
- ["K160093"]
- PMA numbers
- not on file
- Product code
- MUJ
- Firm FEI
- 3007774465
- Firm city
- Stockholm
- Firm state
- not on file
- Firm country
- Sweden
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28