510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Raystation

K141860510(k) TraditionalCleared Oct 23, 2014105-day reviewClass II21 CFR 892.5050Recalls 5

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Raysearch Laboratories AB · MUJ System, Planning, Radiation Therapy Treatment

Cleared on Oct 23, 2014 as substantially equivalent to K140187 (Raysearch Laboratories AB, 2014) after a 105-day review. Its family tree reaches back 9 generations to 2001. 17 later devices descend from it. It has been recalled 5 times.

Decided
Oct 23, 2014
Review
105 days
Class
Class II
Product code
MUJ
Recalls
5
Predicates
1

Its longest line of descent runs back 9 generations to K010975 (2001). 64 ancestors in all, the oldest K802809 (1981). 17 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2013: 1 other ancestor2012: 1 other ancestor2009: 2 other ancestors2002: 3 other ancestors2000: 5 other ancestors2011: 1 other ancestor2010: 1 other ancestor2008: 3 other ancestors2007: 1 other ancestor2003: 2 other ancestors2001: 5 other ancestors1999: 4 other ancestors1997: 2 other ancestors1996: 5 other ancestors2006: 2 other ancestors2005: 1 other ancestor2004: 2 other ancestors1992: 4 other ancestors1991: 1 other ancestor1994: 2 other ancestors1990: 2 other ancestors1989: 2 other ancestors1987: 1 other ancestor1986: 1 other ancestor1981: 1 other ancestor2016: 1 descendant cleared2017: 3 descendants cleared2018: 1 descendant cleared2019: 1 descendant cleared2020: 1 descendant cleared2021: 3 descendants cleared2022: 2 descendants cleared2023: 2 descendants cleared2026: 1 descendant cleared2025: 2 descendants clearedK010975 · Eclipse 6.5 · Varian Medical Systems, Inc. · 2001 · recalledK030981 · Eclipse · Varian Medical Systems, Inc. · 2003K041403 · Eclipse with Aaa · Varian Medical Systems · 2004K050296 · Eclipse Treatment Planning System · Varian Medical Systems · 2005×2: 2 generations cleared close together, K071873 (2007), K073020 (2007) K091492 · Modification to Eclipse Treatment Planning System · Varian Medical Systems, Inc. · 2009 · recalledK102216 · Xio RTP System · Computerized Medical Systems, Inc. · 2010 · recalledK140187 · Ray Station · Raysearch Laboratories AB · 2014 · recalled19801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 4 other ancestors4 generations back: 7 other ancestors5 generations back: 11 other ancestors6 generations back: 14 other ancestors7 generations back: 14 other ancestors8 generations back: 4 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 2 descendants4 generations forward: 1 descendant5 generations forward: 1 descendant6 generations forward: 2 descendants7 generations forward: 2 descendants8 generations forward: 2 descendants9 generations forward: 2 descendants10 generations forward: 1 descendant11 generations forward: 1 descendant12 generations forward: 1 descendant K140187 · Ray Station · Raysearch Laboratories AB · 2014 · recalledK102216 · Xio RTP System · Computerized Medical Systems, Inc. · 2010 · recalledK091492 · Modification to Eclipse Treatment Planning System · Varian Medical Systems, Inc. · 2009 · recalledK073020 · Eclipse Treatment Planning System · Varian Medical Systems, Inc. · 2007 · recalledK071873 · Modification to Eclipse Treatment Planning System · Varian Medical Systems, Inc. · 2007 · recalledK050296 · Eclipse Treatment Planning System · Varian Medical Systems · 2005K041403 · Eclipse with Aaa · Varian Medical Systems · 2004K030981 · Eclipse · Varian Medical Systems, Inc. · 2003K010975 · Eclipse 6.5 · Varian Medical Systems, Inc. · 2001 · recalled−50+5+10
  1. Root · 9 generations backK010975 Eclipse 6.5Varian Medical Systems, Inc. · 2001 · Recalled
  2. 5 generations between
  3. 3 generations backK091492 Modification to Eclipse Treatment Planning SystemVarian Medical Systems, Inc. · 2009 · Recalled
  4. 2 generations backK102216 Xio RTP SystemComputerized Medical Systems, Inc. · 2010 · Recalled
  5. 1 generation backK140187 Ray StationRaysearch Laboratories AB · 2014 · Recalled
  6. This deviceK141860 RaystationRaysearch Laboratories AB · 2014
  7. Descendant · cites it directly · 16 of its ownK160093 RayStationRaySearch Laboratories AB (PUBL) · 2016 · Recalled
  8. Descendant · 2 generations on · 15 of its ownK170355 RayStation 6RaySearch Laboratories AB (PUBL) · 2017 · Recalled
  9. Descendant · 3 generations on · 13 of its ownK171536 RayStationRaySearch Laboratories AB (PUBL) · 2017 · Recalled
  10. Descendant · 4 generations on · 12 of its ownK180379 RayStation 7RaySearch Laboratories AB (PUBL) · 2018 · Recalled
  11. Descendant · 5 generations on · 11 of its ownK190387 RayStationRaySearch Laboratories AB (PUBL) · 2019 · Recalled
Show all 9 generations
  1. Root · 9 generations backK010975 Eclipse 6.5Varian Medical Systems, Inc. · 2001 · Recalled
  2. 8 generations backK030981 EclipseVarian Medical Systems, Inc. · 2003
  3. 7 generations backK041403 Eclipse with AaaVarian Medical Systems · 2004
  4. 6 generations backK050296 Eclipse Treatment Planning SystemVarian Medical Systems · 2005
  5. 5 generations backK071873 Modification to Eclipse Treatment Planning SystemVarian Medical Systems, Inc. · 2007 · Recalled
  6. 4 generations backK073020 Eclipse Treatment Planning SystemVarian Medical Systems, Inc. · 2007 · Recalled
  7. 3 generations backK091492 Modification to Eclipse Treatment Planning SystemVarian Medical Systems, Inc. · 2009 · Recalled
  8. 2 generations backK102216 Xio RTP SystemComputerized Medical Systems, Inc. · 2010 · Recalled
  9. 1 generation backK140187 Ray StationRaysearch Laboratories AB · 2014 · Recalled
  10. This deviceK141860 RaystationRaysearch Laboratories AB · 2014

Showing 5 of 17 descendants. See all descendants

Descendants cleared per year

2016: 12017: 32018: 12019: 12020: 12021: 32022: 22023: 22025: 22026: 1
2016high 3 (2017) · low 0 (2024)2026

Most influential descendants

Showing 5 of 17 · See all
  • K160093RayStationRaySearch Laboratories AB (PUBL) · 2016 · cites it directly16descendants
  • K170355RayStation 6RaySearch Laboratories AB (PUBL) · 2017 · 2 generations on15descendants
  • K171536RayStationRaySearch Laboratories AB (PUBL) · 2017 · 3 generations on13descendants
  • K180379RayStation 7RaySearch Laboratories AB (PUBL) · 2018 · 4 generations on12descendants
  • K190387RayStationRaySearch Laboratories AB (PUBL) · 2019 · 5 generations on11descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K010975Eclipse 6.5Varian Medical Systems, Inc.20013
−8K030981EclipseVarian Medical Systems, Inc.2003—
−7K041403Eclipse with AaaVarian Medical Systems2004—
−6K050296Eclipse Treatment Planning SystemVarian Medical Systems2005—
−5K071873Modification to Eclipse Treatment Planning SystemVarian Medical Systems, Inc.20075
−4K073020Eclipse Treatment Planning SystemVarian Medical Systems, Inc.20076
−3K091492Modification to Eclipse Treatment Planning SystemVarian Medical Systems, Inc.20092
−2K102216Xio RTP SystemComputerized Medical Systems, Inc.20107
−1K140187Ray StationRaysearch Laboratories AB20141
0 (this device)K141860RaystationRaysearch Laboratories AB2014—
+1K160093RayStationRaySearch Laboratories AB (PUBL)20167
+2K170355RayStation 6RaySearch Laboratories AB (PUBL)20171
+3K171536RayStationRaySearch Laboratories AB (PUBL)20176
+4K180379RayStation 7RaySearch Laboratories AB (PUBL)20187
+5K190387RayStationRaySearch Laboratories AB (PUBL)201932

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198610
198710
198920
199020
199110
199240
199420
199650
199720
199940
200050
200150
200230
200320
200420
200510
200620
200710
200830
200920
201010
201110
201210
201310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
201730
201810
201910
202010
202130
202220
202320
202520
202610
FIG. 1 — Lineage of K141860, 2001–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in MUJ? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new MUJ device

  1. #1 K232799 syngo.via RT Image Suitescore 18.6 · 19 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K140187Ray Station
Summary page 4
…assification name Medical charged-particle radiation therapy system (21 CFR 892.5050, Product Code MUJ) 7.7 Predicate device RayStation 4.0.2 K140187 7.8 Device description RayStation 4.5 is a radiation therapy treatment planning system, i.e. a software program for plan…
Raysearch Laboratories AB20141

Also cleared against K140187: 1 other device →

What descends from it? (17)

See all 17

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K160093RayStationRaySearch Laboratories AB (PUBL)201616

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 16, 2025Class IIZ-1195-2025Under Investigation by firmInconsistency in the use of Density uncertainty in the RayStation functions Robust optimization, Robust evaluation and Compute perturbed dose for proton and light ion treatment plans when a HU-to-mass density CT calibration curve used in…
Feb 10, 2016Class IIZ-1712-2016OtherA software issue with editing tools that use the left mouse button held down, for drawing in and interacting with the patient views and beams eye views. The views can become unsynchronized with the stored data if simultaneously right…
May 29, 2015Class IIZ-2785-2015Software designAn error caused by a floating point precision problem tends to cause a problem with the display of isodose lines for dose and dose difference and color tables for dose, dose difference and PET images
May 27, 2015Class IIZ-2457-2015Software designIssue with the algorithm for ROI contraction in RayStation 4.7 when non-uniform contraction distances are used. The ROI contraction tool uses six distances as input: right/left, inferior/superior and posterior/anterior. These contraction…
Mar 4, 2015Class IIZ-1310-2015Under Investigation by firmAn 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…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 13 years and passes through 4 companies; a new generation was cleared every 1.3 years on median.
  • 19 of the 64 ancestors have a recall of any class.
  • Of its descendants, K160093 (RaySearch Laboratories AB (PUBL), 2016) has gone furthest, with 16 descendants of its own.
  • 1 other device also cites its predicate K140187.

How does its category compare?

All MUJ devices

MUJ System, Planning, Radiation Therapy Treatment: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, this device’s year, is highlighted.

FDA decisions per year · MUJ

10in 2025

2007: 42008: 92009: 162010: 112011: 92012: 82013: 52014: 92015: 132016: 52017: 72018: 72019: 92020: 92021: 112022: 82023: 102024: 92025: 102026 (partial year): 9
2007high 16 (2009) · low 4 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MUJ

186in 2025

2007: 67 days median2008: 63 days median2009: 84 days median2010: 56 days median2011: 103 days median2012: 59 days median2013: 64 days median2014: 108 days median2015: 78 days median2016: 80 days median2017: 30 days median2018: 53 days median2019: 56 days median2020: 104 days median2021: 87 days median2022: 168 days median2023: 140 days median2024: 122 days median2025: 186 days median2026 (partial year): 233 days median
2007high 233 (2026) · low 30 (2017)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · MUJ

2in 2023

2007: 42008: 102009: 112010: 232011: 172012: 42013: 62014: 22015: 72016: 132017: 42018: 32019: 42020: 22021: 42022: 32023: 22026 (partial year): 2
2007high 23 (2010) · low 0 (2024)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MUJ

21in 2025

2007: 242008: 512009: 242010: 782011: 732012: 392013: 332014: 352015: 302016: 272017: 162018: 252019: 252020: 262021: 152022: 222023: 762024: 92025: 21
2007high 78 (2010) · low 9 (2024)2025

MAUDE reports naming product code MUJ, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007467424
20089631051
200916841124
201011562378
201191031773
2012859439
2013564633
20149108235
20151378730
20165801327
2017730416
2018753325
2019956425
20209104226
20211187415
20228168322
202310140276
2024912209
202510186021
202692332—

What is it indicated for?

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.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K141860: Raystation.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K141860

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026