510(k) Report

510(k) · Cleared

Cleared

ARIA Radiation Therapy Management (v16.1 MR3)

K221408510(k) SpecialCleared Jun 17, 202232-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

Varian Medical Systems, Inc. · IYE Accelerator, Linear, Medical

Cleared on Jun 17, 2022 as substantially equivalent to K173838 (Varian Medical Systems, Inc., 2018) after a 32-day review. Its family tree reaches back 5 generations to 1995. 3 later devices descend from it.

Decided
Jun 17, 2022
Review
32 days
Class
Class II
Product code
IYE
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K952313 (1995). 6 ancestors in all. 3 later devices descend from it, 1 citing it directly.

  1. Root · 5 generations backK952313 Varis Images, Including Ximatron Digital Imaging OptionVarian Assoc., Inc. · 1995
  2. 4 generations backK042956 VisionVarian Medical Systems, Inc. · 2005
  3. 3 generations backK093527 Aria Radiation Oncology with MirsVarian Medical Systems, Inc. · 2009 · Recalled
  4. 2 generations backK133572 Aria Radiation Therapy ManagementVarian Medical Systems, Inc. · 2014 · Recalled
  5. 1 generation backK173838 ARIA Radiation Therapy ManagementVarian Medical Systems, Inc. · 2018 · Recalled
  6. This deviceK221408 ARIA Radiation Therapy Management (v16.1 MR3)Varian Medical Systems, Inc. · 2022
  7. Descendant · cites it directly · 2 of its ownK230699 ARIA Radiation Therapy Management (v18.0)Varian Medical Systems, Inc. · 2023
  8. Descendant · 2 generations on · 1 of its ownK242463 ARIA Radiation Therapy Management System (18.1)Varian Medical Systems, Inc. · 2024
  9. Descendant · 3 generations on · 0 of its ownK260733 MRIA Radiation Therapy Information System (MRIA)Manteia Technologies Co., Ltd. · 2026

Most influential descendants

Showing 3 of 3 · See all
  • K230699ARIA Radiation Therapy Management (v18.0)Varian Medical Systems, Inc. · 2023 · cites it directly2descendants
  • K242463ARIA Radiation Therapy Management System (18.1)Varian Medical Systems, Inc. · 2024 · 2 generations on1descendant
  • K260733MRIA Radiation Therapy Information System (MRIA)Manteia Technologies Co., Ltd. · 2026 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K952313Varis Images, Including Ximatron Digital Imaging OptionVarian Assoc., Inc.1995—
−4K042956VisionVarian Medical Systems, Inc.2005—
−3K093527Aria Radiation Oncology with MirsVarian Medical Systems, Inc.20099
−2K133572Aria Radiation Therapy ManagementVarian Medical Systems, Inc.20141
−1K173838ARIA Radiation Therapy ManagementVarian Medical Systems, Inc.20181
0 (this device)K221408ARIA Radiation Therapy Management (v16.1 MR3)Varian Medical Systems, Inc.2022—
+1K230699ARIA Radiation Therapy Management (v18.0)Varian Medical Systems, Inc.2023—
+2K242463ARIA Radiation Therapy Management System (18.1)Varian Medical Systems, Inc.2024—
+3K260733MRIA Radiation Therapy Information System (MRIA)Manteia Technologies Co., Ltd.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
202410
202610
FIG. 1 — Lineage of K221408, 1995–2026Source: 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 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
*K173838ARIA Radiation Therapy Management
Summary page 4
…latory class: Class II Product code: IYE III. PREDICATE DEVICE Predicate Device: ARIA Radiation Therapy Management, version 15.5 (K173838) No reference devices were used in this submission. IV. DEVICE DESCRIPTION The ARIA Radia…
Varian Medical Systems, Inc.20181

Also cleared against K173838: 4 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K230699ARIA Radiation Therapy Management (v18.0)Varian Medical Systems, Inc.20232

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 27 years and passes through 2 companies; a new generation was cleared every 4.4 years on median.
  • 4 of the 6 ancestors have a recall of any class.
  • Of its descendants, K230699 (Varian Medical Systems, Inc., 2023) has gone furthest, with 2 descendants of its own.
  • 4 other devices also cite its predicate K173838.

How does its category compare?

All IYE devices

IYE Accelerator, Linear, Medical: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, 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?

The ARIA Radiation Therapy Management product is a treatment plan and image management application. It enables the authorized user to enter, access, modify, store and archive treatment plan and image data from diagnostic studies, treatment planning, simulation, plan verification and treatment. ARIA Radiation Therapy Management also stores the treatment histories including dose delivered to defined sites and provides tools to verify performed treatments.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K221408: ARIA Radiation Therapy Management (v16.1 MR3).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K221408

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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