510(k) Report

510(k) · Cleared

Cleared

TENS & EMS Device

K213835510(k) TraditionalCleared Mar 3, 202284-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 Jian Feng Electronic Technology Co., Ltd. · NUH Stimulator, Nerve, Transcutaneous, Over-The-Counter

Cleared on Mar 3, 2022 as substantially equivalent to K202866 (Shenzhen Jian Feng Electronic Technology Co., Ltd., 2021) after an 84-day review. Its family tree reaches back 8 generations to 1994.

Decided
Mar 3, 2022
Review
84 days
Class
Class II
Product code
NUH
Recalls
None
Predicates
1

Its longest line of descent runs back 8 generations to K940301 (1994). 11 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 8 generations backK940301 Compex 2Biodex Medical Systems, Inc. · 1994
  2. 7 generations backK011880 Compex SportCompex S.A. · 2002
  3. 6 generations backK060846 Therapeutic Massage CompanionEndurance Therapeutics · 2007
  4. 5 generations backK110068 Model PM3030Omron Healthcare, Inc. · 2011
  5. 4 generations backK132993 Counter Otc Tens DeviceCounter Scientific Development (Gz), Ltd. · 2014
  6. 3 generations backK150386 Tyece OTC TENS DeviceTyece, Ltd. · 2015
  7. 2 generations backK171803 HIVOX OTC Electrical StimulatorHivox Biotek, Inc. · 2017
  8. 1 generation backK202866 TENS & EMS DeviceShenzhen Jian Feng Electronic Technology Co., Ltd. · 2021
  9. This deviceK213835 TENS & EMS DeviceShenzhen Jian Feng Electronic Technology Co., Ltd. · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K940301Compex 2Biodex Medical Systems, Inc.1994—
−7K011880Compex SportCompex S.A.2002—
−6K060846Therapeutic Massage CompanionEndurance Therapeutics2007—
−5K110068Model PM3030Omron Healthcare, Inc.2011—
−4K132993Counter Otc Tens DeviceCounter Scientific Development (Gz), Ltd.2014—
−3K150386Tyece OTC TENS DeviceTyece, Ltd.2015—
−2K171803HIVOX OTC Electrical StimulatorHivox Biotek, Inc.2017—
−1K202866TENS & EMS DeviceShenzhen Jian Feng Electronic Technology Co., Ltd.2021—
0 (this device)K213835TENS & EMS DeviceShenzhen Jian Feng Electronic Technology Co., Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200410
200510
201310
FIG. 1 — Lineage of K213835, 1994–2022Source: 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
Get a 510(k) Report

What was it cleared against? (1)

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
*K202866TENS & EMS Device
Summary page 4
…n Jian Feng Electronic Technology Co., Ltd. Device Name TENS & EMS Device Model FM-B2403 510(K) Number K202866 Product Code NUH, NGX Panel Code Physical Medicine, Neurology…
Shenzhen Jian Feng Electronic Technology Co., Ltd.2021—

Also cleared against K202866: 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 28 years and passes through 8 companies; a new generation was cleared every 3.5 years on median.
  • None of the 11 ancestors has a recall.
  • 1 other device also cites its predicate K202866.

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. 2022, 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?

TENS:

The device is designed to be used for temporary relief of pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper extremities (arm), lower extremities (leg), abdomen and bottom due to strain from exercise or normal household work activities.

EMS:

The device is designed to be used to stimulate healthy muscles in order to improve or facilitate muscle performance.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K213835: TENS & EMS Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K213835

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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