510(k) Report

510(k) · Cleared

Cleared

2-in-1 Abdominal Muscle Training & Back Pain Relief System

K152128510(k) TraditionalCleared Dec 23, 2015145-day reviewClass II21 CFR 882.5890

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

Tohkai Precision Electrical Manufactory (Shenzhen) Limited · NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter

Cleared on Dec 23, 2015 as substantially equivalent to K102295 (Leto Enterprises Incorporation, 2011) and 2 other predicates after a 145-day review. Its family tree reaches back 6 generations to 1994.

Decided
Dec 23, 2015
Review
145 days
Class
Class II
Product code
NUH
Recalls
None
Predicates
3

Its longest line of descent runs back 6 generations to K940301 (1994). 16 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2011: 1 other ancestor2013: 1 other ancestor2008: 1 other ancestor2005: 1 other ancestor2004: 2 other ancestors2012: 1 other ancestor2007: 1 other ancestor2003: 1 other ancestor2001: 1 other ancestorK940301 · Compex 2 · Biodex Medical Systems, Inc. · 1994K011880 · Compex Sport · Compex S.A. · 2002K060846 · Therapeutic Massage Companion · Endurance Therapeutics · 2007K102598 · HI-Dow-XP · Hi-Dow International, Inc. · 2011K122744 · Prospera Otc Tens Electronic Pulse Massager · Prospera Corporation · 2013K133929 · Health Expert Elctronic Stimulator · Shenzhen Osto Technology Company Limited · 2014199019952000200520102015
  1. Root · 6 generations backK940301 Compex 2Biodex Medical Systems, Inc. · 1994
  2. 5 generations backK011880 Compex SportCompex S.A. · 2002
  3. 4 generations backK060846 Therapeutic Massage CompanionEndurance Therapeutics · 2007
  4. 3 generations backK102598 HI-Dow-XPHi-Dow International, Inc. · 2011
  5. 2 generations backK122744 Prospera Otc Tens Electronic Pulse MassagerProspera Corporation · 2013
  6. 1 generation backK133929 Health Expert Elctronic StimulatorShenzhen Osto Technology Company Limited · 2014
  7. This deviceK152128 2-in-1 Abdominal Muscle Training & Back Pain Relief SystemTohkai Precision Electrical Manufactory (Shenzhen) Limited · 2015
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K940301Compex 2Biodex Medical Systems, Inc.1994—
−5K011880Compex SportCompex S.A.2002—
−4K060846Therapeutic Massage CompanionEndurance Therapeutics2007—
−3K102598HI-Dow-XPHi-Dow International, Inc.2011—
−2K122744Prospera Otc Tens Electronic Pulse MassagerProspera Corporation2013—
−1K133929Health Expert Elctronic StimulatorShenzhen Osto Technology Company Limited2014—
0 (this device)K1521282-in-1 Abdominal Muscle Training & Back Pain Relief SystemTohkai Precision Electrical Manufactory (Shenzhen) Limited2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110
200310
200420
200510
200710
200810
201110
201210
201310
FIG. 1 — Lineage of K152128, 1994–2015Source: 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 NUH? 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 NUH device

  1. #1 K190783 Health Expert Electronic Stimulator (model…score 15.8 · 7 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
*K102295X2ABS Dual Channel Fitness Belt
Summary page 5
…510(k) Summary AST-300D 510(k) K102295 K060846 Number K133929…
Leto Enterprises Incorporation2011—
*K060846Therapeutic Massage Companion
Summary page 5
…AST-300D 510(k) K102295 K060846 Number K133929 Product…
Endurance Therapeutics2007—
*K133929Health Expert Elctronic Stimulator
Summary page 5
…510(k) K102295 K060846 Number K133929 Product NUH, NGX NG…
Shenzhen Osto Technology Company Limited2014—

Also cleared against K102295: 3 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 21 years and passes through 7 companies; a new generation was cleared every 3.4 years on median.
  • None of the 16 ancestors has a recall.
  • 3 other devices also cite its predicate K102295.

How does its category compare?

All NUH devices

NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · NUH

15in 2025

2007: 42009: 12010: 32011: 62012: 62013: 102014: 162015: 142016: 132017: 172018: 162019: 192020: 142021: 142022: 202023: 152024: 202025: 152026 (partial year): 5
2007high 20 (2022) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NUH

119in 2025

2007: 161 days median2010: 148 days median2011: 231 days median2012: 170 days median2013: 189 days median2014: 212 days median2015: 198 days median2016: 145 days median2017: 155 days median2018: 121 days median2019: 213 days median2020: 147 days median2021: 198 days median2022: 103 days median2023: 127 days median2024: 90 days median2025: 119 days median2026 (partial year): 137 days median
2007high 231 (2011) · low 90 (2024)2026

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

Recalls per year · NUH

No recall names NUH since 2007.

Adverse event reports per year · NUH

7in 2025

2013: 12014: 92015: 112016: 132017: 212018: 182019: 52020: 82021: 72022: 22023: 42024: 72025: 7
2007high 21 (2017) · low 0 (2007)2025

MAUDE reports naming product code NUH, 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
2007416100
20080—00
20091—00
2010314800
2011623100
2012617000
20131018901
20141621209
201514198011
201613145013
201717155021
201816121018
20191921305
20201414708
20211419807
20222010302
20231512704
2024209007
20251511907
202651370—

What is it indicated for?

The 2-in-1 Abdominal Muscle Training & Back Pain Relief System has two modes of stimulation; a transcutaneous electrical nerve stimulation (TENS) BP-313 mode and a powered muscle stimulation (PMS) TS-212 mode.

The TENS(BP-313 Mode) is indicated for temporary relief of pain associated with sore and aching muscles in the waist, back, arm, leg due to strain from exercise or normal household and work activities.

The PMS (TS-212 Mode) is indicated for the improvement of abdominal muscle tone, for strengthening of abdominal muscles and for the development of a firmer abdomen. This system is intended to stimulate healthy muscles in order to improve and facilitate muscle performance.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K152128: 2-in-1 Abdominal Muscle Training & Back Pain Relief System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K152128

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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