510(k) Report

510(k) · Cleared

Cleared

STM 9000 Basic, STM 9000 Standard, STM 9000 Fast, STM 9000 Ultra-Fast

K150220510(k) TraditionalCleared Aug 19, 2015201-day reviewClass II21 CFR 882.1870

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

Eb Neuro S.P.A. · GWF Stimulator, Electrical, Evoked Response

Cleared on Aug 19, 2015 as substantially equivalent to K061645 (Tonica Elektronik A/S, 2006) after a 201-day review. Its family tree reaches back 3 generations to 1991.

Decided
Aug 19, 2015
Review
201 days
Class
Class II
Product code
GWF
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K905059 (1991). 5 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 3 generations backK905059 High Speed Magnetic StimulatorCadwell Laboratories, Inc. · 1991
  2. 2 generations backK051864 Magstim RAPID2, Magstim Super RAPID2, Models 3004-000, 3005-00The Magstim Company, Ltd. · 2005 · Recalled
  3. 1 generation backK061645 Magpro, Model R30Tonica Elektronik A/S · 2006
  4. This deviceK150220 STM 9000 Basic, STM 9000 Standard, STM 9000 Fast, STM 9000 Ultra-FastEb Neuro S.P.A. · 2015
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K905059High Speed Magnetic StimulatorCadwell Laboratories, Inc.1991—
−2K051864Magstim RAPID2, Magstim Super RAPID2, Models 3004-000, 3005-00The Magstim Company, Ltd.20052
−1K061645Magpro, Model R30Tonica Elektronik A/S2006—
0 (this device)K150220STM 9000 Basic, STM 9000 Standard, STM 9000 Fast, STM 9000 Ultra-FastEb Neuro S.P.A.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
200010
FIG. 1 — Lineage of K150220, 1991–2015Source: 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 GWF? 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 GWF device

  1. #1 K263010 ISIS Headboxes, ISIS Neurostimulator, ISIS…score 17.5 · 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
*K061645Magpro, Model R30
Summary page 4
…rence Device(s) Device Owner 510(k) MagPro, Model R30 Tonica Elektronik A/S K061645 Predicate MagPro R30 incl. MagOption, MagPro Tonica Elektronik A/S K091940 Reference X100, MagPro…
Tonica Elektronik A/S2006—
†K091940Magpro, Models R30 with Magoption, X100, X100 with MagoptionTonica Elektronik A/S2010—

Also cleared against K061645: 4 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 24 years and passes through 4 companies; a new generation was cleared every 8.8 years on median.
  • 1 of the 5 ancestors has a recall of any class.
  • 4 other devices also cite its predicate K061645.

How does its category compare?

All GWF devices

GWF Stimulator, Electrical, Evoked Response: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · GWF

1in 2025

2007: 32008: 22009: 52010: 32011: 22012: 42013: 32014: 12015: 22016: 12017: 32019: 12020: 12021: 22022: 22023: 22024: 42025: 12026 (partial year): 3
2007high 5 (2009) · low 0 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GWF

92in 2024

2007: 69 days median2009: 178 days median2010: 269 days median2012: 230 days median2013: 174 days median2017: 169 days median2024: 92 days median2026 (partial year): 125 days median
2007high 269 (2010) · low 69 (2007)2026

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

Recalls per year · GWF

2so far in 2026, the most since 2007

2012: 12015: 12026 (partial year): 2
2007high 2 (2026) · low 0 (2007)2026

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

Adverse event reports per year · GWF

1,034in 2025

2007: 22008: 12009: 12010: 42011: 102012: 442013: 892014: 252015: 222016: 202017: 602018: 582019: 942020: 652021: 552022: 452023: 1502024: 8542025: 1,034
2007high 1,034 (2025) · low 1 (2008)2025

MAUDE reports naming product code GWF, 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
200736902
20082—01
2009517801
2010326904
20112—010
20124230144
20133174089
20141—025
20152—122
20161—020
20173169060
20180—058
20191—094
20201—065
20212—055
20222—045
20232—0150
20244920854
20251—01,034
202631252—

What is it indicated for?

The STM9000 is intended for stimulation of peripheral nerves for diagnostic purposes.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K150220: STM 9000 Basic, STM 9000 Standard, STM 9000 Fast, STM 9000 Ultra-Fast.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K150220

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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