510(k) Report

510(k) · Cleared

Recalled · Class II · 2022

Oncentra Brachy

K132816510(k) TraditionalCleared Jun 13, 2014277-day reviewClass II21 CFR 892.5050Recalls 3

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

Nucletron B.V. · MUJ System, Planning, Radiation Therapy Treatment

Cleared on Jun 13, 2014 as substantially equivalent to K121448 (Elekta Inc. D/B/A Nucletron Corporation, 2012) after a 277-day review. Its family tree reaches back 5 generations to 1987. It has been recalled 3 times.

Decided
Jun 13, 2014
Review
277 days
Class
Class II
Product code
MUJ
Recalls
3
Predicates
1

Its longest line of descent runs back 5 generations to K862643 (1987). 12 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 5 generations backK862643 Radiation Oncology Computer Sys Treatment PlanningPacific Physics, Inc. · 1987
  2. 4 generations backK970236 Theraplan Plus Version 1.2Theratronics, Inc. · 1997
  3. 3 generations backK031349 OTP 1.2Nucletron Corp. · 2003
  4. 2 generations backK081281 Ocentra Masterplan 3.1 (Ocentra Brachy)Nucletron Corporation · 2008 · Recalled
  5. 1 generation backK121448 Oncentra, Oncentra External Beam, Oncentra BrachyElekta Inc. D/B/A Nucletron Corporation · 2012 · Recalled
  6. This deviceK132816 Oncentra BrachyNucletron B.V. · 2014
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K862643Radiation Oncology Computer Sys Treatment PlanningPacific Physics, Inc.1987—
−4K970236Theraplan Plus Version 1.2Theratronics, Inc.1997—
−3K031349OTP 1.2Nucletron Corp.2003—
−2K081281Ocentra Masterplan 3.1 (Ocentra Brachy)Nucletron Corporation20082
−1K121448Oncentra, Oncentra External Beam, Oncentra BrachyElekta Inc. D/B/A Nucletron Corporation20123
0 (this device)K132816Oncentra BrachyNucletron B.V.2014—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199110
199210
199420
199610
199910
FIG. 1 — Lineage of K132816, 1987–2014Source: 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
*K121448Oncentra, Oncentra External Beam, Oncentra Brachy
Summary page 2
…pproval by qualified medical personnel. Oncentra Brachy 4.4 is a brachytherapy treatment planning only version of the Oncentra treatment planning system (Oncentra 4.2- K121448) and does not include Oncentra external beam treatment planning capabilities. Oncentra Brachy 4,4 includes all Oncentra software…
Elekta Inc. D/B/A Nucletron Corporation20123

Also cleared against K121448: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

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

Recalls of this device

DateClassRecallRoot causeReason
Dec 5, 2022Class IIZ-0719-2023Software designA reconstruction error may occur when using the Catheter Bending functionality in Applicator Modeling or Implant Modeling
Oct 13, 2021Class IIZ-0182-2022Software designUnder certain circumstances, there can be a difference between the planned and delivered dose of the two ovoid channels.
Aug 10, 2017Class IIZ-0050-2018Software designIncorrect source step size may occur in the software plans

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 27 years and passes through 6 companies; a new generation was cleared every 4.8 years on median.
  • 2 of the 12 ancestors have a recall of any class.
  • 1 other device also cites its predicate K121448.

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?

Oncentra is a radiation therapy planning software designed to analyze and plan radiation treatments in three dimensions for the purpose of treating patients with cancer. The treatment plans provide estimates of dose distributions expected during the proposed treatment, and may be used to administer treatments after review and approval by qualified medical personnel.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K132816: Oncentra Brachy.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K132816

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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