510(k) Report

510(k) · Cleared

Cleared

Delta4 Insight

K223234510(k) TraditionalCleared Jan 16, 2024454-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

Scandidos AB · IYE Accelerator, Linear, Medical

Cleared on Jan 16, 2024 as substantially equivalent to K180595 (Radialogica, LLC, 2018) after a 454-day review. Its family tree reaches back 7 generations to 1992.

Decided
Jan 16, 2024
Review
454 days
Class
Class II
Product code
IYE
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K914698 (1992). 16 ancestors in all, the oldest K874893 (1988). No later device cites it as a predicate yet.

  1. Root · 7 generations backK914698 Setup Computer with Software V-1261,62 and 63K.S., Inc. · 1992
  2. 6 generations backK980904 Mucheck Monitor Unit Validation ProgramMedical Dosimetry Services, Inc. · 1998
  3. 5 generations backK012227 Mucheck - Monitor Unit Validation Program, Model V4.1Oncology Data Systems, Inc. · 2001
  4. 4 generations backK072374 CompassScanditronix Wellhofer GmbH · 2007 · Recalled
  5. 3 generations backK140660 MOBIUS3DMobius Medical Systems, LP · 2014 · Recalled
  6. 2 generations backK161946 DoseCHECKSun Nuclear Corporation · 2016
  7. 1 generation backK180595 SciMoCaRadialogica, LLC · 2018
  8. This deviceK223234 Delta4 InsightScandidos AB · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K914698Setup Computer with Software V-1261,62 and 63K.S., Inc.1992—
−6K980904Mucheck Monitor Unit Validation ProgramMedical Dosimetry Services, Inc.1998—
−5K012227Mucheck - Monitor Unit Validation Program, Model V4.1Oncology Data Systems, Inc.2001—
−4K072374CompassScanditronix Wellhofer GmbH20073
−3K140660MOBIUS3DMobius Medical Systems, LP20141
−2K161946DoseCHECKSun Nuclear Corporation2016—
−1K180595SciMoCaRadialogica, LLC2018—
0 (this device)K223234Delta4 InsightScandidos AB2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810
199010
199410
199510
199710
200110
200310
200410
200610
FIG. 1 — Lineage of K223234, 1992–2024Source: 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 IYE? 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 IYE device

  1. #1 K252977 Halcyon, Ethos Radiotherapy System (5.0)score 18.8 · 18 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
*K180595SciMoCa
Summary page 4
…Registered 510(k) Premarket submission Establishment Number number SciMoCa 3009140718 K180595 4 DESCRIPTION OF THE DEVICE Delta4 Insight is software specifically design for quality assurance of r…
Radialogica, LLC2018—

Also cleared against K180595: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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 32 years and passes through 8 companies; a new generation was cleared every 5.8 years on median.
  • 2 of the 16 ancestors have a recall of any class.
  • 2 other devices also cite its predicate K180595.

How does its category compare?

All IYE devices

IYE Accelerator, Linear, Medical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · IYE

12in 2025

2007: 232008: 142009: 202010: 232011: 112012: 282013: 182014: 202015: 202016: 212017: 232018: 212019: 192020: 202021: 192022: 122023: 182024: 92025: 122026 (partial year): 14
2007high 28 (2012) · low 9 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYE

170in 2025

2007: 44 days median2008: 69 days median2009: 63 days median2010: 74 days median2011: 94 days median2012: 106 days median2013: 88 days median2014: 100 days median2015: 108 days median2016: 97 days median2017: 94 days median2018: 58 days median2019: 83 days median2020: 67 days median2021: 86 days median2022: 172 days median2023: 129 days median2024: 239 days median2025: 170 days median2026 (partial year): 120 days median
2007high 239 (2024) · low 44 (2007)2026

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

Recalls per year · IYE

1in 2025

2007: 782008: 492009: 222010: 272011: 732012: 202013: 112014: 142015: 82016: 72017: 72018: 72019: 22020: 42021: 52022: 32023: 72024: 12025: 12026 (partial year): 4
2007high 78 (2007) · low 1 (2024)2026

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

Adverse event reports per year · IYE

101in 2025

2007: 1552008: 1142009: 1742010: 2462011: 2802012: 1282013: 962014: 1242015: 1002016: 972017: 1252018: 852019: 912020: 742021: 682022: 662023: 1282024: 812025: 101
2007high 280 (2011) · low 66 (2022)2025

MAUDE reports naming product code IYE, 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
2007234478155
2008146949114
2009206322174
2010237427246
2011119473280
20122810620128
201318881196
20142010014124
2015201088100
20162197797
201723947125
20182158785
20191983291
20202067474
20211986568
202212172366
2023181297128
20249239181
2025121701101
2026141204—

What is it indicated for?

Delta4 Insight is a software intended to provide quality assurance of radiotherapy treatment plans by an independent dose calculation.

Delta4 Insight is not a treatment planning system or a radiation delivery device. Information provided by Delta4 Insight shall not be used to directly modify or influence radiation treatments. Delta4 Insight is to be used only by trained radiation oncology personnel for quality assurance purposes.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K223234: Delta4 Insight.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K223234

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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