510(k) Report

510(k) · Cleared

Cleared

Sys*Stim 208 and 208A

K031017510(k) TraditionalCleared May 30, 200360-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

Mettler Electronics Corp. · IPF Stimulator, Muscle, Powered

Cleared on May 30, 2003 as substantially equivalent to K880235 (Chattanooga Group, Inc., 1988) after a 60-day review. Its family tree reaches back 1 generation to 1988. 18 later devices descend from it.

Decided
May 30, 2003
Review
60 days
Class
Class II
Product code
IPF
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K880235 (1988). 18 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2014: 1 descendant cleared2019: 2 descendants cleared2020: 2 descendants cleared2005: 1 descendant cleared2007: 1 descendant cleared2021: 2 descendants cleared2015: 1 descendant cleared2026: 1 descendant cleared2016: 2 descendants cleared2013: 1 descendant cleared2017: 1 descendant cleared2024: 1 descendant cleared2023: 1 descendant cleared2025: 1 descendant clearedK880235 · Intelect Model 120 · Chattanooga Group, Inc. · 19881990200020102020
Descendants, by generation 1 generation forward: 4 descendants2 generations forward: 6 descendants3 generations forward: 7 descendants4 generations forward: 1 descendant K880235 · Intelect Model 120 · Chattanooga Group, Inc. · 19880
  1. Root · 1 generation backK880235 Intelect Model 120Chattanooga Group, Inc. · 1988
  2. This deviceK031017 Sys*Stim 208 and 208AMettler Electronics Corp. · 2003
  3. Descendant · cites it directly · 7 of its ownK182203 JKH Stimulator PlusJkh USA, LLC · 2019
  4. Descendant · 2 generations on · 4 of its ownK191151 JKH Stimulator PlusJkh USA, LLC · 2019
  5. Descendant · cites it directly · 4 of its ownK053266 Myotrac InfinitiThought Technology, Ltd. · 2005
  6. Descendant · cites it directly · 3 of its ownK133638 GEKOFirstkind Limited · 2014
  7. Descendant · 2 generations on · 2 of its ownK152677 geko T-2 Neuromuscular StimulatorFirstkind Limited · 2015

Showing 5 of 18 descendants. See all descendants

Descendants cleared per year

2005: 12007: 12013: 12014: 12015: 12016: 22017: 12019: 22020: 22021: 22023: 12024: 12025: 12026: 1
2005high 2 (2016) · low 0 (2006)2026

Most influential descendants

Showing 5 of 18 · See all
  • K182203JKH Stimulator PlusJkh USA, LLC · 2019 · cites it directly7descendants
  • K191151JKH Stimulator PlusJkh USA, LLC · 2019 · 2 generations on4descendants
  • K053266Myotrac InfinitiThought Technology, Ltd. · 2005 · cites it directly4descendants
  • K133638GEKOFirstkind Limited · 2014 · cites it directly3descendants
  • K152677geko T-2 Neuromuscular StimulatorFirstkind Limited · 2015 · 2 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K880235Intelect Model 120Chattanooga Group, Inc.1988—
0 (this device)K031017Sys*Stim 208 and 208AMettler Electronics Corp.2003—
+1K182203JKH Stimulator PlusJkh USA, LLC2019—
+2K191151JKH Stimulator PlusJkh USA, LLC2019—
+1K053266Myotrac InfinitiThought Technology, Ltd.2005—
+1K133638GEKOFirstkind Limited2014—
+2K152677geko T-2 Neuromuscular StimulatorFirstkind Limited2015—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200710
201310
201410
201510
201620
201710
201920
202020
202120
202310
202410
202510
202610
FIG. 1 — Lineage of K031017, 1988–2026Source: 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 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
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
*K880235Intelect Model 120
Summary page 3
…s*Stim@ 208/208A, Model ME 208/208A and Predicate Devices: ME 208 510 K # K K880235 Pre-amendment Device Name SyseStim 208 LV-110…
Chattanooga Group, Inc.1988—
*—Amrex MS322/MS324
Named without a submission number
—

What descends from it? (18)

See all 18

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

NumberDeviceApplicantDecidedDescendants
K182203JKH Stimulator PlusJkh USA, LLC20197
K053266Myotrac InfinitiThought Technology, Ltd.20054
K133638GEKOFirstkind Limited20143
K200088g.Estim FESG.Tec Medical Engineering GmbH20200

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?

  • Its one ancestor has no recall.
  • Of its descendants, K182203 (Jkh USA, LLC, 2019) has gone furthest, with 7 descendants of its own.

How does its category compare?

All IPF devices

IPF Stimulator, Muscle, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years.

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?

1. Symptomatic relief of chronic intractable pain, acute post traumatic pain or acute post surgical pain 2. Temporary relaxation of muscle spasm 3. Prevention of post-surgical phlebc+thrombosis through immediate siimulation of calf muscles 4. Increasing local blood circulation 5. Prevention or retardation of disuse atrophy 6. Muscle re-education 7. Maintaining or increasing range of motion 1. Symptomatic relief of chronic intractable pain, acute post…

Read the full statement (110 words)

1. Symptomatic relief of chronic intractable pain, acute post traumatic pain or acute post surgical pain

2. Temporary relaxation of muscle spasm

3. Prevention of post-surgical phlebc+thrombosis through immediate siimulation of calf muscles

4. Increasing local blood circulation

5. Prevention or retardation of disuse atrophy

6. Muscle re-education

7. Maintaining or increasing range of motion

1. Symptomatic relief of chronic intractable pain, acute post traumatic pain or acute post surgical pain

2. Temporary relaxation of muscle spasm

3. Prevention of post-surgical phlebo-thrombosis through immediate stimulation of calf muscles

4. Increasing local blood circulation

5. Prevention or retardation of disuse atrophy

6. Muscle re-education

7. Maintaining or increasing range of motion

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K031017: Sys*Stim 208 and 208A.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K031017

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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