510(k) Report

510(k) · Cleared

Cleared

geko T-2 and geko T-3 Neuromuscular Stimulators

K191113510(k) TraditionalCleared Sep 18, 2019145-day reviewClass II21 CFR 890.5850

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

Firstkind Limited · IPF Stimulator, Muscle, Powered

Cleared on Sep 18, 2019 as substantially equivalent to K180082 (Firstkind, Ltd., 2018) and 1 other predicate after a 145-day review. Its family tree reaches back 5 generations to 1987.

Decided
Sep 18, 2019
Review
145 days
Class
Class II
Product code
IPF
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K872976 (1987). 9 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 5 generations backK872976 Tens Pals PlusAxelgaard Mfg. Co., Ltd. · 1987
  2. 4 generations backK050046 Rehabilicare IF 3 Wave Interferential Stimulator System, Model 7110SCompex Technologies, Inc. · 2005
  3. 3 generations backK162987 FA100 SCCD (Sequential Continuous Contraction Device)Flowaid Medical Technologies, Corp · 2017
  4. 2 generations backK180082 geko T-2 and geko Plus R-2Firstkind, Ltd. · 2018
  5. 1 generation backK181059 geko T-3 Neuromuscular StimulatorFirstkind Limited · 2018
  6. This deviceK191113 geko T-2 and geko T-3 Neuromuscular StimulatorsFirstkind Limited · 2019
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K872976Tens Pals PlusAxelgaard Mfg. Co., Ltd.1987—
−4K050046Rehabilicare IF 3 Wave Interferential Stimulator System, Model 7110SCompex Technologies, Inc.2005—
−3K162987FA100 SCCD (Sequential Continuous Contraction Device)Flowaid Medical Technologies, Corp2017—
−2K180082geko T-2 and geko Plus R-2Firstkind, Ltd.2018—
−1K181059geko T-3 Neuromuscular StimulatorFirstkind Limited2018—
0 (this device)K191113geko T-2 and geko T-3 Neuromuscular StimulatorsFirstkind Limited2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199220
199310
199710
FIG. 1 — Lineage of K191113, 1987–2019Source: 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 IPF? 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 IPF device

  1. #1 K241433 EVE Synergy (EVE-20M)score 19.7 · 25 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? (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
*K180082geko T-2 and geko Plus R-2
Summary page 4
…, Muscle, Powered Product Code, CFR: IPF, 21 CFR 890.5850 Panel code: 89 Class: II D. Predicate Devices: K180082 for geko™ T-2 K181059 for geko™ T-3 E. Device Description: The geko™ T-2 and geko™ T-3 ar…
Firstkind, Ltd.2018—
*K181059geko T-3 Neuromuscular Stimulator
Summary page 4
…21 CFR 890.5850 Panel code: 89 Class: II D. Predicate Devices: K180082 for geko™ T-2 K181059 for geko™ T-3 E. Device Description: The geko™ T-2 and geko™ T-3 are single patient use, disposable (after 24 hours), fu…
Firstkind Limited2018—

Also cleared against K180082: 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 5 companies; a new generation was cleared every 1.3 years on median.
  • None of the 9 ancestors has a recall.
  • 2 other devices also cite its predicate K180082.

How does its category compare?

All IPF devices

IPF Stimulator, Muscle, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · IPF

3in 2025

2007: 82008: 62009: 72010: 42011: 42012: 42013: 102014: 42015: 32016: 72017: 52018: 52019: 42020: 92021: 152022: 72023: 92024: 72025: 32026 (partial year): 3
2007high 15 (2021) · low 3 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IPF

257in 2025

2007: 143 days median2008: 140 days median2009: 216 days median2010: 121 days median2011: 275 days median2012: 269 days median2013: 180 days median2014: 264 days median2015: 43 days median2016: 113 days median2017: 110 days median2018: 73 days median2019: 133 days median2020: 121 days median2021: 98 days median2022: 108 days median2023: 255 days median2024: 201 days median2025: 257 days median2026 (partial year): 206 days median
2007high 275 (2011) · low 43 (2015)2026

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

Recalls per year · IPF

1in 2023

2008: 12011: 12012: 32023: 1
2007high 3 (2012) · low 0 (2007)2026

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

Adverse event reports per year · IPF

8in 2025

2007: 112008: 2132009: 1502010: 142011: 252012: 162013: 62014: 192015: 112016: 82017: 22018: 32019: 102020: 132021: 32022: 42023: 82024: 52025: 8
2007high 213 (2008) · low 2 (2017)2025

MAUDE reports naming product code IPF, 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
20078143011
200861401213
200972160150
20104121014
20114275125
20124269316
20131018006
20144264019
2015343011
2016711308
2017511002
201857303
20194133010
20209121013
2021159803
2022710804
2023925518
2024720105
2025325708
202632060—

What is it indicated for?

Increasing local blood circulation

Edema reduction

Immediate post-surgical stimulation of the calf muscles to prevent venous thrombosis

Stimulation of the calf muscles to prevent venous thrombosis in non-surgical patients at risk for venous thromboembolism

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K191113: geko T-2 and geko T-3 Neuromuscular Stimulators.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191113

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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