510(k) Report

510(k) · Cleared

Cleared

Muscle Stimulation System

K123642510(k) TraditionalCleared Mar 29, 2013123-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

Niveus Medical, Inc. · IPF Stimulator, Muscle, Powered

Cleared on Mar 29, 2013 as substantially equivalent to K083105 (Bio-Medical Research, Ltd., 2009) and 2 other predicates after a 123-day review. Its family tree reaches back 4 generations to 2001. 1 later device descends from it.

Decided
Mar 29, 2013
Review
123 days
Class
Class II
Product code
IPF
Recalls
None
Predicates
3

Its longest line of descent runs back 4 generations to K010782 (2001). 19 ancestors in all, the oldest K926510 (1993). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2009: 1 other ancestor2008: 1 other ancestor2007: 2 other ancestors2005: 1 other ancestor1999: 1 other ancestor1996: 1 other ancestor2003: 2 other ancestors2002: 1 other ancestor2001: 2 other ancestors1995: 2 other ancestors1993: 1 other ancestor2015: 1 descendant clearedK010782 · Transamerican Tens · Transamerica Medical Systems · 2001K020749 · Digital Transcutaneous Electrical Nerve Stimulator, Model EV-803 Digital Tens · Everyway Medical Instruments Co.,Ltd · 2002K071951 · Comfy Series: EV-804, EV-805 & EV-806 · Everyway Medical Instruments Co.,Ltd · 2007K080661 · Models Tens 7000, Ems 7500 and Twin Stim · Koalaty Products, Inc. · 20081990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 5 other ancestors3 generations back: 7 other ancestors4 generations back: 1 other ancestor 1 generation forward: 1 descendant K080661 · Models Tens 7000, Ems 7500 and Twin Stim · Koalaty Products, Inc. · 2008K071951 · Comfy Series: EV-804, EV-805 & EV-806 · Everyway Medical Instruments Co.,Ltd · 2007K020749 · Digital Transcutaneous Electrical Nerve Stimulator, Model EV-803 Digital Tens · Everyway Medical Instruments Co.,Ltd · 2002K010782 · Transamerican Tens · Transamerica Medical Systems · 20010
  1. Root · 4 generations backK010782 Transamerican TensTransamerica Medical Systems · 2001
  2. 3 generations backK020749 Digital Transcutaneous Electrical Nerve Stimulator, Model EV-803…Everyway Medical Instruments Co.,Ltd · 2002
  3. 2 generations backK071951 Comfy Series: EV-804, EV-805 & EV-806Everyway Medical Instruments Co.,Ltd · 2007
  4. 1 generation backK080661 Models Tens 7000, Ems 7500 and Twin StimKoalaty Products, Inc. · 2008
  5. This deviceK123642 Muscle Stimulation SystemNiveus Medical, Inc. · 2013
  6. Descendant · cites it directly · 0 of its ownK150742 Muscle Stimulation System 110Niveus Medical, Inc. · 2015

Most influential descendants

Showing 1 of 1 · See all
  • K150742Muscle Stimulation System 110Niveus Medical, Inc. · 2015 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K010782Transamerican TensTransamerica Medical Systems2001—
−3K020749Digital Transcutaneous Electrical Nerve Stimulator, Model EV-803 Digital TensEveryway Medical Instruments Co.,Ltd2002—
−2K071951Comfy Series: EV-804, EV-805 & EV-806Everyway Medical Instruments Co.,Ltd2007—
−1K080661Models Tens 7000, Ems 7500 and Twin StimKoalaty Products, Inc.2008—
0 (this device)K123642Muscle Stimulation SystemNiveus Medical, Inc.2013—
+1K150742Muscle Stimulation System 110Niveus Medical, Inc.2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
199520
199610
199910
200120
200210
200320
200510
200720
200810
200910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201510
FIG. 1 — Lineage of K123642, 2001–2015Source: 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 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 19.6 · 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? (3)

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
*K083105Kneehab XP Conductive Garment, Type 411
Summary page 1
…ulator 21 CFR 890.5850 (Product Code IPF) Predicate Devices Bio-Medical Research, Ltd.'s Neurotech Kneehab XP, Type 411 (K083105) Koalaty Products, Inc.'s Twin Stim TENS/EMS Unit (K080661)…
Bio-Medical Research, Ltd.2009—
*K080661Models Tens 7000, Ems 7500 and Twin Stim
Summary page 1
…h, Ltd.'s Neurotech Kneehab XP, Type 411 (K083105) Koalaty Products, Inc.'s Twin Stim TENS/EMS Unit (K080661) CEC Electronica SRL's Combi 8 Max (K(070888) Device Description The Muscle Stimulation System 110 is…
Koalaty Products, Inc.2008—
*K070888Combi 8 Max
Summary page 1
…105) Koalaty Products, Inc.'s Twin Stim TENS/EMS Unit (K080661) CEC Electronica SRL's Combi 8 Max (K(070888) Device Description The Muscle Stimulation System 110 is a portable, externally- powered device which…
Cec Electronica S.R.L.2008—

Also cleared against K083105: 3 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K150742Muscle Stimulation System 110Niveus Medical, Inc.20150

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 12 years and passes through 4 companies; a new generation was cleared every 4.8 years on median.
  • None of the 19 ancestors has a recall.
  • Of its descendants, K150742 (Niveus Medical, Inc., 2015) has gone furthest, with 0 descendants of its own.
  • 3 other devices also cite its predicate K083105.

How does its category compare?

All IPF devices

IPF Stimulator, Muscle, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, 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?

The Niveus Medical Muscle Stimulation System 110 is indicated for:

* Maintaining or increasing range of motion of the knee joint

* Prevention or retardation of disuse atrophy in the quadriceps

* Muscle re-education of the quadriceps

* Relaxation of muscle spasms

* Increasing local blood circulation

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K123642: Muscle Stimulation System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K123642

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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