510(k) Report

510(k) · Cleared

Cleared

Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon 3.0, H3.0, Horizon 3.0 with StimGuide+

K222171510(k) TraditionalCleared Jan 13, 2023176-day reviewClass II21 CFR 882.5805

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

Magstim Company, Ltd. · OBP Transcranial Magnetic Stimulator

Cleared on Jan 13, 2023 as substantially equivalent to K212289 (Neuronetics, Inc., 2022) and 1 other predicate after a 176-day review. Its family tree reaches back 10 generations to 2008. 4 later devices descend from it.

Decided
Jan 13, 2023
Review
176 days
Class
Class II
Product code
OBP
Recalls
None
Predicates
2

Its longest line of descent runs back 10 generations to DEN070003 (2008). 26 ancestors in all. 4 later devices descend from it, 2 citing it directly.

  1. Root · 10 generations backDEN070003 Neurostar TMS SystemNeuronetics · 2008
  2. 6 generations between
  3. 3 generations backK180907 HORIZON TMS Therapy SystemMagstim Company, Ltd. · 2018 · Recalled
  4. 2 generations backK182853 HORIZON TMS Therapy SystemMagstim Company, Ltd. · 2019 · Recalled
  5. 1 generation backK211389 Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon…Magstim Company, Ltd. · 2021
  6. This deviceK222171 Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon…Magstim Company, Ltd. · 2023
  7. Descendant · cites it directly · 2 of its ownK232235 Magstim®Horizon® 3.0 TMS Therapy System; Horizon® 3.0 System…The Magstim Company, Ltd. · 2023
  8. Descendant · 2 generations on · 1 of its ownK241518 Horizon® 3.0 TMS Therapy System (Horizon 3.0 Inspire); Horizon® 3.0…The Magstim Company Limited · 2024
  9. Descendant · 3 generations on · 0 of its ownK253098 Nexstim Navigated Brain Stimulation (NBS) 6 System (NBS6)Nexstim Oyj · 2026
  10. Descendant · cites it directly · 0 of its ownK243539 Apollo TMS Therapy SystemMag & More GmbH · 2025
Show all 10 generations
  1. Root · 10 generations backDEN070003 Neurostar TMS SystemNeuronetics · 2008
  2. 9 generations backK083538 Neurostar TMS Therapy System, Model 1.1Neuronetics · 2008 · Recalled
  3. 8 generations backK130233 Neurostar TMS Therapy SystemNeuronetics · 2013
  4. 7 generations backK133408 Neurostar TMS Therapy SystemNeuronetics · 2014
  5. 6 generations backK143531 Rapid Therapy SystemMagstim Company Limited · 2015 · Recalled
  6. 5 generations backK162935 Rapid2 Therapy SystemMagstim Company, Ltd. · 2017 · Recalled
  7. 4 generations backK171051 HORIZON Therapy SystemMagstim Company, Ltd. · 2017
  8. 3 generations backK180907 HORIZON TMS Therapy SystemMagstim Company, Ltd. · 2018 · Recalled
  9. 2 generations backK182853 HORIZON TMS Therapy SystemMagstim Company, Ltd. · 2019 · Recalled
  10. 1 generation backK211389 Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon…Magstim Company, Ltd. · 2021
  11. This deviceK222171 Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon…Magstim Company, Ltd. · 2023

Most influential descendants

Showing 4 of 4 · See all
  • K232235Magstim®Horizon® 3.0 TMS Therapy System; Horizon® 3.0 System; Horizon® 3.0; Horizon® 3.0…The Magstim Company, Ltd. · 2023 · cites it directly2descendants
  • K241518Horizon® 3.0 TMS Therapy System (Horizon 3.0 Inspire); Horizon® 3.0 TMS Therapy System…The Magstim Company Limited · 2024 · 2 generations on1descendant
  • K253098Nexstim Navigated Brain Stimulation (NBS) 6 System (NBS6)Nexstim Oyj · 2026 · 3 generations on0descendants
  • K243539Apollo TMS Therapy SystemMag & More GmbH · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10DEN070003Neurostar TMS SystemNeuronetics2008—
−9K083538Neurostar TMS Therapy System, Model 1.1Neuronetics20081
−8K130233Neurostar TMS Therapy SystemNeuronetics2013—
−7K133408Neurostar TMS Therapy SystemNeuronetics2014—
−6K143531Rapid Therapy SystemMagstim Company Limited20153
−5K162935Rapid2 Therapy SystemMagstim Company, Ltd.20173
−4K171051HORIZON Therapy SystemMagstim Company, Ltd.2017—
−3K180907HORIZON TMS Therapy SystemMagstim Company, Ltd.20183
−2K182853HORIZON TMS Therapy SystemMagstim Company, Ltd.20192
−1K211389Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon 3.0…Magstim Company, Ltd.2021—
0 (this device)K222171Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon 3.0, H3.0…Magstim Company, Ltd.2023—
+1K232235Magstim®Horizon® 3.0 TMS Therapy System; Horizon® 3.0 System; Horizon® 3.0…The Magstim Company, Ltd.2023—
+2K241518Horizon® 3.0 TMS Therapy System (Horizon 3.0 Inspire); Horizon® 3.0 TMS…The Magstim Company Limited2024—
+3K253098Nexstim Navigated Brain Stimulation (NBS) 6 System (NBS6)Nexstim Oyj2026—
+1K243539Apollo TMS Therapy SystemMag & More GmbH2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
201510
201630
201750
201820
201920
202020
202210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
202410
202510
202610
FIG. 1 — Lineage of K222171, 2008–2026Source: 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 OBP? 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 OBP device

  1. #1 K251119 MagVenture TMS Therapy Systemscore 21.8 · 11 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? (2)

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
*K212289NeuroStar Advanced Therapy for adjunctive treatment of OCD, NeuroStar Advanced Therapy…
Summary page 4
…Conditions Classification 21 C.F.R. § 882.5805, Class II, product code OBP 21 C.F.R. § 882.5802, Class II, product code QCI Predicate Devices K212289 NeuroStar Advanced Therapy, Neuronetics Inc. (Primary Predicate Device), 21 C.F.R § 882.5802, QCI K211389 Horizon®…
Neuronetics, Inc.2022—
*K211389Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon 3.0, Horizon 3.0…
Summary page 4
…ss II, product code QCI Predicate Devices K212289 NeuroStar Advanced Therapy, Neuronetics Inc. (Primary Predicate Device), 21 C.F.R § 882.5802, QCI K211389 Horizon® 3.0 TMS Therapy System, The Magstim® Company Limited (Secondary Predicate Device ), 21 C.F.R § 882.5805, OBP…
Magstim Company, Ltd.2021—
†K193006MagVenture TMS Therapy – for treatment of OCD, MagVenture TMS Therapy systemTonica Elektronik A/S2020—

Also cleared against K212289: 3 other devices →

What descends from it? (4)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K232235Magstim®Horizon® 3.0 TMS Therapy System; Horizon® 3.0 System; Horizon® 3.0; Horizon® 3.0…The Magstim Company, Ltd.20232
K243539Apollo TMS Therapy SystemMag & More GmbH20250

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 15 years and passes through 3 companies; a new generation was cleared every 1.1 years on median.
  • 6 of the 26 ancestors have a recall of any class.
  • Of its descendants, K232235 (The Magstim Company, Ltd., 2023) has gone furthest, with 2 descendants of its own.
  • 3 other devices also cite its predicate K212289.

How does its category compare?

All OBP devices

OBP Transcranial Magnetic Stimulator: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · OBP

12in 2025

2008: 22013: 22014: 12015: 22016: 32017: 82018: 42019: 32020: 12021: 52022: 62023: 72024: 52025: 122026 (partial year): 8
2007high 12 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OBP

125in 2025

2016: 101 days median2017: 73 days median2018: 144 days median2019: 156 days median2021: 132 days median2022: 168 days median2023: 119 days median2024: 266 days median2025: 125 days median2026 (partial year): 176 days median
2007high 266 (2024) · low 73 (2017)2026

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

Recalls per year · OBP

1in 2018

2009: 12018: 12026 (partial year): 1
2007high 1 (2009) · low 0 (2007)2026

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

Adverse event reports per year · OBP

81in 2025

2009: 32011: 52012: 32013: 12015: 32016: 62017: 32018: 62019: 122020: 122021: 152022: 592023: 432024: 502025: 81
2007high 81 (2025) · low 0 (2007)2025

MAUDE reports naming product code OBP, 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
20070—00
20082—00
20090—13
20100—00
20110—05
20120—03
20132—01
20141—00
20152—03
2016310106
201787303
2018414416
20193156012
20201—012
20215132015
20226168059
20237119043
20245266050
202512125081
202681761—

What is it indicated for?

Horizon 3.0 TMS Therapy System is indicated for the treatment of Major Depressive Disorder in adult patients who have failed to achieve satisfactory improvement from prior antidepressant medication in the current episode, as well as an adjunct for the treatment of adult patients suffering from Obsessive-Compulsive Disorder (OCD).

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. “K222171: Magstim Horizon 3.0 TMS Therapy System, Horizon 3.0 System, Horizon 3.0, H3.0, Horizon 3.0 with StimGuide+.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K222171

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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