510(k) · Cleared
ClearedTranscutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Wuxi Jiajian Medical Instrument Co., Ltd. · GZJ Stimulator, Nerve, Transcutaneous, For Pain Relief
Cleared on Jan 24, 2023 as substantially equivalent to K220578 (Bozhou Rongjian Medical Appliance Co., Ltd., 2022) after a 124-day review. Its family tree reaches back 6 generations to 2001.
- Decided
- Jan 24, 2023
- Review
- 124 days
- Class
- Class II
- Product code
- GZJ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K010782 (2001). 8 ancestors in all, the oldest K010665 (2001). No later device cites it as a predicate yet.
- Root · 6 generations backK010782 Transamerican TensTransamerica Medical Systems · 2001
- 5 generations backK020749 Digital Transcutaneous Electrical Nerve Stimulator, Model EV-803…Everyway Medical Instruments Co.,Ltd · 2002
- 4 generations backK071951 Comfy Series: EV-804, EV-805 & EV-806Everyway Medical Instruments Co.,Ltd · 2007
- 3 generations backK112288 Jiajian TensWuxi Jiajian Medical Instrument Co., Ltd. · 2012
- 2 generations backK202893 Transcutaneous Electrical Nerve StimulatorWuxi Jiajian Medical Instrument Co., Ltd. · 2021
- 1 generation backK220578 Transcutaneous Electrical Nerve Stimulator (Model RJTENS-1)Bozhou Rongjian Medical Appliance Co., Ltd. · 2022
- This deviceK222879 Transcutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1)Wuxi Jiajian Medical Instrument Co., Ltd. · 2023
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K010782 | Transamerican Tens | Transamerica Medical Systems | 2001 | — |
| −5 | K020749 | Digital Transcutaneous Electrical Nerve Stimulator, Model EV-803 Digital Tens | Everyway Medical Instruments Co.,Ltd | 2002 | — |
| −4 | K071951 | Comfy Series: EV-804, EV-805 & EV-806 | Everyway Medical Instruments Co.,Ltd | 2007 | — |
| −3 | K112288 | Jiajian Tens | Wuxi Jiajian Medical Instrument Co., Ltd. | 2012 | — |
| −2 | K202893 | Transcutaneous Electrical Nerve Stimulator | Wuxi Jiajian Medical Instrument Co., Ltd. | 2021 | — |
| −1 | K220578 | Transcutaneous Electrical Nerve Stimulator (Model RJTENS-1) | Bozhou Rongjian Medical Appliance Co., Ltd. | 2022 | — |
| 0 (this device) | K222879 | Transcutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1) | Wuxi Jiajian Medical Instrument Co., Ltd. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
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 K252767 actiTENS miniscore 13.1 · 9 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K220578 | Transcutaneous Electrical Nerve Stimulator (Model RJTENS-1)Summary page 4…sories of electrodes is 510(k) cleared device (K192568), Size: 50*50mm. 3. Predicate Device Identification Predicate 510(k) Number: K220578 Marketing clearance date: May 25, 2021 Product name: Transcutaneous Electrical Nerve Stimulator Manufactu… | 2022 |
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 22 years and passes through 4 companies; a new generation was cleared every 4.7 years on median.
- None of the 8 ancestors has a recall.
How does its category compare?
All GZJ devicesGZJ Stimulator, Nerve, Transcutaneous, For Pain Relief: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · GZJ
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GZJ
207in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GZJ
1in 2011
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GZJ
13in 2025
MAUDE reports naming product code GZJ, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 13 | 223 | 4 | 4 |
| 2008 | 11 | 136 | 1 | 45 |
| 2009 | 16 | 155 | 0 | 17 |
| 2010 | 5 | 232 | 0 | 22 |
| 2011 | 5 | 168 | 1 | 22 |
| 2012 | 12 | 154 | 0 | 20 |
| 2013 | 2 | — | 0 | 10 |
| 2014 | 4 | 344 | 0 | 23 |
| 2015 | 3 | 202 | 0 | 18 |
| 2016 | 3 | 163 | 0 | 32 |
| 2017 | 3 | 113 | 0 | 58 |
| 2018 | 2 | — | 0 | 21 |
| 2019 | 3 | 156 | 0 | 7 |
| 2020 | 4 | 183 | 0 | 10 |
| 2021 | 3 | 231 | 0 | 5 |
| 2022 | 4 | 175 | 0 | 4 |
| 2023 | 1 | — | 0 | 39 |
| 2024 | 3 | 207 | 0 | 12 |
| 2025 | 1 | — | 0 | 13 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The Transcutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1) 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, the TENS
WMPS6-1 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 as stated in the FDA summary.
https://510kreport.com/device/K222879 · printed Nov 4, 2026
Cite this page
510(k) Report. “K222879: Transcutaneous Electrical Nerve Stimulator (model: TENS WMPS6-1).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K222879
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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