510(k) Report

510(k) · Cleared

Cleared

Transcutaneous Electronic Nerve Stimulator

K200237510(k) TraditionalCleared Oct 19, 2020269-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

Shenzhen Kentro Medical Electronics Co., Ltd. · NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter

Cleared on Oct 19, 2020 as substantially equivalent to K160893 (M.I.Tech Co., Ltd., 2016) and 2 other predicates after a 269-day review. Its family tree reaches back 7 generations to 1994.

Decided
Oct 19, 2020
Review
269 days
Class
Class II
Product code
NUH
Recalls
None
Predicates
3

Its longest line of descent runs back 7 generations to K940301 (1994). 34 ancestors in all, the oldest K872976 (1987). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2019: 1 other ancestor2016: 2 other ancestors2015: 1 other ancestor2014: 2 other ancestors2013: 3 other ancestors2012: 1 other ancestor2011: 2 other ancestors2004: 3 other ancestors2005: 3 other ancestors2000: 1 other ancestor1997: 1 other ancestor1993: 1 other ancestor1992: 2 other ancestors1987: 1 other ancestor1995: 2 other ancestors1994: 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 · 2014K163611 · Pain Therapy Device · Guangzhou Xinbo Electronic Co., Ltd. · 20171990200020102020
  1. Root · 7 generations backK940301 Compex 2Biodex Medical Systems, Inc. · 1994
  2. 6 generations backK011880 Compex SportCompex S.A. · 2002
  3. 5 generations backK060846 Therapeutic Massage CompanionEndurance Therapeutics · 2007
  4. 4 generations backK102598 HI-Dow-XPHi-Dow International, Inc. · 2011
  5. 3 generations backK122744 Prospera Otc Tens Electronic Pulse MassagerProspera Corporation · 2013
  6. 2 generations backK133929 Health Expert Elctronic StimulatorShenzhen Osto Technology Company Limited · 2014
  7. 1 generation backK163611 Pain Therapy DeviceGuangzhou Xinbo Electronic Co., Ltd. · 2017
  8. This deviceK200237 Transcutaneous Electronic Nerve StimulatorShenzhen Kentro Medical Electronics Co., Ltd. · 2020
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K940301Compex 2Biodex Medical Systems, Inc.1994—
−6K011880Compex SportCompex S.A.2002—
−5K060846Therapeutic Massage CompanionEndurance Therapeutics2007—
−4K102598HI-Dow-XPHi-Dow International, Inc.2011—
−3K122744Prospera Otc Tens Electronic Pulse MassagerProspera Corporation2013—
−2K133929Health Expert Elctronic StimulatorShenzhen Osto Technology Company Limited2014—
−1K163611Pain Therapy DeviceGuangzhou Xinbo Electronic Co., Ltd.2017—
0 (this device)K200237Transcutaneous Electronic Nerve StimulatorShenzhen Kentro Medical Electronics Co., Ltd.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199220
199310
199410
199520
199710
200010
200430
200530
201120
201210
201330
201420
201510
201620
201910
FIG. 1 — Lineage of K200237, 1994–2020Source: 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
*K160893HANAROCare ReJu
Summary page 5
…KTR- Subject Device: 2411, KTR-2412, KTR-2301, KTR-2302, KTR-2341, KTR-2342, KTR-2491, KTR-2492, KTR-2493, KTR-2494 510(k) K160893 K183288 K163611 Number (Primary) Product Code NUH…
M.I.Tech Co., Ltd.2016—
*K183288Transcutaneous Electrical Nerve Stimulator
Summary page 5
…2411, KTR-2412, KTR-2301, KTR-2302, KTR-2341, KTR-2342, KTR-2491, KTR-2492, KTR-2493, KTR-2494 510(k) K160893 K183288 K163611 Number (Primary) Product Code NUH NUH, NGX, NYN…
Shenzhen Kentro Medical Electronics Co., Ltd.2019—
*K163611Pain Therapy Device
Summary page 5
…R-2302, KTR-2341, KTR-2342, KTR-2491, KTR-2492, KTR-2493, KTR-2494 510(k) K160893 K183288 K163611 Number (Primary) Product Code NUH NUH, NGX, NYN NUH, NGX, NYN Reg…
Guangzhou Xinbo Electronic Co., Ltd.2017—

Also cleared against K160893: 1 other device →

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 26 years and passes through 8 companies; a new generation was cleared every 3.1 years on median.
  • None of the 34 ancestors has a recall.
  • 1 other device also cites its predicate K160893.

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. 2020, 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?

Transcutaneous Electronic Nerve Stimulator is indicated for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm) and lower extremities (leg) due to strain from exercise or normal household work activities.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K200237: Transcutaneous Electronic Nerve Stimulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K200237

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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