510(k) Report

510(k) · Cleared

Cleared

RT Elements, Cranial SRS w/ Cones, Multiple Brain Mets SRS, Cranial SRS, Spine SRS, RT QA, Dose Review

K203681510(k) TraditionalCleared Apr 9, 2021113-day reviewClass II21 CFR 892.5050

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

Brainlab AG · MUJ System, Planning, Radiation Therapy Treatment

Cleared on Apr 9, 2021 as substantially equivalent to K103246 (Brainlab AG, 2011) after a 113-day review. Its family tree reaches back 6 generations to 1992. 2 later devices descend from it.

Decided
Apr 9, 2021
Review
113 days
Class
Class II
Product code
MUJ
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K920879 (1992). 16 ancestors in all. 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2008: 1 other ancestor2006: 2 other ancestors2004: 1 other ancestor2002: 1 other ancestor1997: 1 other ancestor2001: 3 other ancestors1999: 1 other ancestor2023: 1 descendant cleared2025: 1 descendant clearedK920879 · Brainscan Radiosurgery Module · Brainlab · 1992 · recalledK994413 · Brainscan · Brainlab AG · 2000 · recalledK032511 · Intuition Image · Brainlab AG · 2004K052220 · Iplan RT Fibertracking · Brainlab AG · 2005K080886 · Iplan RT Image · Brainlab AG · 2008K103246 · Iplan RT · Brainlab AG · 2011 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 2 other ancestors4 generations back: 3 other ancestors5 generations back: 4 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant K103246 · Iplan RT · Brainlab AG · 2011 · recalledK080886 · Iplan RT Image · Brainlab AG · 2008K052220 · Iplan RT Fibertracking · Brainlab AG · 2005K032511 · Intuition Image · Brainlab AG · 2004K994413 · Brainscan · Brainlab AG · 2000 · recalledK920879 · Brainscan Radiosurgery Module · Brainlab · 1992 · recalled−50
  1. Root · 6 generations backK920879 Brainscan Radiosurgery ModuleBrainlab · 1992 · Recalled
  2. 5 generations backK994413 BrainscanBrainlab AG · 2000 · Recalled
  3. 4 generations backK032511 Intuition ImageBrainlab AG · 2004
  4. 3 generations backK052220 Iplan RT FibertrackingBrainlab AG · 2005
  5. 2 generations backK080886 Iplan RT ImageBrainlab AG · 2008
  6. 1 generation backK103246 Iplan RTBrainlab AG · 2011 · Recalled
  7. This deviceK203681 RT Elements, Cranial SRS w/ Cones, Multiple Brain Mets SRS, Cranial…Brainlab AG · 2021
  8. Descendant · cites it directly · 1 of its ownK223279 RT Elements (4.0)Brainlab AG · 2023
  9. Descendant · 2 generations on · 0 of its ownK250440 RT Elements (4.5); (Elements) Multiple Brain Mets SRS; (Elements)…Brainlab AG · 2025

Most influential descendants

Showing 2 of 2 · See all
  • K223279RT Elements (4.0)Brainlab AG · 2023 · cites it directly1descendant
  • K250440RT Elements (4.5); (Elements) Multiple Brain Mets SRS; (Elements) Cranial SRS…Brainlab AG · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K920879Brainscan Radiosurgery ModuleBrainlab19921
−5K994413BrainscanBrainlab AG20001
−4K032511Intuition ImageBrainlab AG2004—
−3K052220Iplan RT FibertrackingBrainlab AG2005—
−2K080886Iplan RT ImageBrainlab AG2008—
−1K103246Iplan RTBrainlab AG20112
0 (this device)K203681RT Elements, Cranial SRS w/ Cones, Multiple Brain Mets SRS, Cranial SRS, Spine…Brainlab AG2021—
+1K223279RT Elements (4.0)Brainlab AG2023—
+2K250440RT Elements (4.5); (Elements) Multiple Brain Mets SRS; (Elements) Cranial SRS…Brainlab AG2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710
199910
200130
200210
200410
200620
200810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
202510
FIG. 1 — Lineage of K203681, 1992–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
Get a 510(k) Report

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
*K103246Iplan RT
Summary page 4
…MUJ Regulation Number 892.5050 Regulatory Class II Panel Radiology Predicate Device(s) iPlan RT K103246 Contact Information Primary Contact…
Brainlab AG20112

Also cleared against K103246: 2 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K223279RT Elements (4.0)Brainlab AG20231

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

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 29 years and passes through 2 companies; a new generation was cleared every 3.5 years on median.
  • 5 of the 16 ancestors have a recall of any class.
  • Of its descendants, K223279 (Brainlab AG, 2023) has gone furthest, with 1 descendant of its own.
  • 2 other devices also cite its predicate K103246.

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. 2021, 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?

The RT Elements are applications for radiation treatment planning for use in stereotactic, conformal, computer planned, Linac based radiation treatment of cranial, head and neck and extracranial lesions. The Multiple Brain Mets SRS application as one RT Element provides optimized planning and display for cranial multi-metastases radiation treatment planning. The Cranial SRS application as one RT Element provides optimized planning and display for cranial…

Read the full statement (169 words)

The RT Elements are applications for radiation treatment planning for use in stereotactic, conformal, computer planned, Linac based radiation treatment of cranial, head and neck and extracranial lesions.

The Multiple Brain Mets SRS application as one RT Element provides optimized planning and display for cranial multi-metastases radiation treatment planning.

The Cranial SRS application as one RT Element provides optimized planning and display for cranial radiation treatment planning.

The Spine SRS application as one RT Element provides optimized planning and display for single spine metastases.

The Cranial SRS w/ Cones application as one RT Element provides planning and display for functional diseases (e.g. trigeminal neuralgia) or cranial lesion radiation treatment.

The RT QA application as one RT Element contains features for patient specific quality assurance. Use RT QA to recalculate patient treatment plans on a phantom to verify that the patient treatment plan fulfills the planning requirements.

The Dose Review application as one RT Element contains features for review of isodose lines, review of DVHs, dose comparison and dose summation.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203681: RT Elements, Cranial SRS w/ Cones, Multiple Brain Mets SRS, Cranial SRS, Spine SRS, RT QA, Dose Review.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K203681

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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