510(k) Report

510(k) · Cleared

Cleared

Transcutaneous Electrical Nerve Stimulator

K202893510(k) SpecialCleared Jun 18, 2021263-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

Wuxi Jiajian Medical Instrument Co., Ltd. · GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief

Cleared on Jun 18, 2021 as substantially equivalent to K112288 (Wuxi Jiajian Medical Instrument Co., Ltd., 2012) after a 263-day review. Its family tree reaches back 4 generations to 2001. 2 later devices descend from it.

Decided
Jun 18, 2021
Review
263 days
Class
Class II
Product code
GZJ
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K010782 (2001). 6 ancestors in all, the oldest K010665 (2001). 2 later devices descend from it, 1 citing it directly.

  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 backK112288 Jiajian TensWuxi Jiajian Medical Instrument Co., Ltd. · 2012
  5. This deviceK202893 Transcutaneous Electrical Nerve StimulatorWuxi Jiajian Medical Instrument Co., Ltd. · 2021
  6. Descendant · cites it directly · 1 of its ownK220578 Transcutaneous Electrical Nerve Stimulator (Model RJTENS-1)Bozhou Rongjian Medical Appliance Co., Ltd. · 2022
  7. Descendant · 2 generations on · 0 of its ownK222879 Transcutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1)Wuxi Jiajian Medical Instrument Co., Ltd. · 2023

Most influential descendants

Showing 2 of 2 · See all
  • K220578Transcutaneous Electrical Nerve Stimulator (Model RJTENS-1)Bozhou Rongjian Medical Appliance Co., Ltd. · 2022 · cites it directly1descendant
  • K222879Transcutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1)Wuxi Jiajian Medical Instrument Co., Ltd. · 2023 · 2 generations on0descendants
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—
−1K112288Jiajian TensWuxi Jiajian Medical Instrument Co., Ltd.2012—
0 (this device)K202893Transcutaneous Electrical Nerve StimulatorWuxi Jiajian Medical Instrument Co., Ltd.2021—
+1K220578Transcutaneous Electrical Nerve Stimulator (Model RJTENS-1)Bozhou Rongjian Medical Appliance Co., Ltd.2022—
+2K222879Transcutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1)Wuxi Jiajian Medical Instrument Co., Ltd.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200110
200210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
202310
FIG. 1 — Lineage of K202893, 2001–2023Source: 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 GZJ? 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 GZJ device

  1. #1 K252767 actiTENS miniscore 13.1 · 9 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? (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
*K112288Jiajian Tens
Summary page 5
…ters Modified Device Predicate Device Remark 510(k) Number K202893 K112288 -- Transcutaneous Electrical Nerve Device Name…
Wuxi Jiajian Medical Instrument Co., Ltd.2012—

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K220578Transcutaneous Electrical Nerve Stimulator (Model RJTENS-1)Bozhou Rongjian Medical Appliance Co., Ltd.20221

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 20 years and passes through 3 companies; a new generation was cleared every 4.8 years on median.
  • None of the 6 ancestors has a recall.
  • Of its descendants, K220578 (Bozhou Rongjian Medical Appliance Co., Ltd., 2022) has gone furthest, with 1 descendant of its own.

How does its category compare?

All GZJ devices

GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · GZJ

1in 2025

2007: 132008: 112009: 162010: 52011: 52012: 122013: 22014: 42015: 32016: 32017: 32018: 22019: 32020: 42021: 32022: 42023: 12024: 32025: 12026 (partial year): 2
2007high 16 (2009) · low 1 (2023)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GZJ

207in 2024

2007: 223 days median2008: 136 days median2009: 155 days median2010: 232 days median2011: 168 days median2012: 154 days median2014: 344 days median2015: 202 days median2016: 163 days median2017: 113 days median2019: 156 days median2020: 183 days median2021: 231 days median2022: 175 days median2024: 207 days median
2007high 344 (2014) · low 113 (2017)2026

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

Recalls per year · GZJ

1in 2011

2007: 42008: 12011: 1
2007high 4 (2007) · low 0 (2009)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · GZJ

13in 2025

2007: 42008: 452009: 172010: 222011: 222012: 202013: 102014: 232015: 182016: 322017: 582018: 212019: 72020: 102021: 52022: 42023: 392024: 122025: 13
2007high 58 (2017) · low 4 (2007)2025

MAUDE reports naming product code GZJ, 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
20071322344
200811136145
200916155017
20105232022
20115168122
201212154020
20132—010
20144344023
20153202018
20163163032
20173113058
20182—021
2019315607
20204183010
2021323105
2022417504
20231—039
20243207012
20251—013
20262—0—

What is it indicated for?

The Transcutaneous Electrical Nerve Stimulator is an electrical nerve stimulator indicated for use for pain relief by applying an electrical current to electrodes on a patient's skin to treat pain. In particular, this device is indicated for use for symptomatic relief of chronic intractable pain and adjunctive treatment in the management of post surgical and post traumatic pain.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K202893: Transcutaneous Electrical Nerve Stimulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K202893

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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