RayStation 4 — Class II medical device recall Z-0721-2017
Terminated recall by RAYSEARCH LABORATORIES AB, reported 2016-12-14, distributed nationwide. Software anomaly; an issue was found with the proton Pencil Beam Scanning (PBS) dose calculation in RayStation
| Recall number | Z-0721-2017 |
|---|---|
| Product type | Medical device |
| Classification | Class II |
| Status | Terminated |
| Voluntary or mandated | Voluntary |
| Recalling firm | RAYSEARCH LABORATORIES AB, Stockholm, N/A, Sweden |
| Recall initiated | 2016-11-09 |
| Classified | 2016-12-07 |
| Reported by FDA | 2016-12-14 |
| Terminated | 2019-06-11 |
| Distributed | Nationwide (US) |
| Quantity | 66 units |
| Reason classes | software |
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.
Reason for recall
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.
Machine access
This record, with every extracted code, the verbatim FDA record and provenance, is available from the recall API: GET https://api.data.aroqon.com/v1/recalls/Z-0721-2017. Look up any UPC, UDI, NDC or lot with /v1/recalls/lookup?code=…. API docs · free and paid keys.
Source: U.S. Food and Drug Administration enforcement report via openFDA (CC0). Structured by Data Foundry (recall-structuring@2); last changed 2026-09-26. Not affiliated with or endorsed by FDA. Not medical or legal advice.