510(k) · Cleared
ClearedJmoon Conductive Gel
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Shenzhen Ulike Smart Electronics Co., Ltd. · GYB Media, Electroconductive
Cleared on Apr 8, 2025 as substantially equivalent to K161654 (Carol Cole Company, 2016) after a 124-day review. Its family tree reaches back 7 generations to 1997.
- Decided
- Apr 8, 2025
- Review
- 124 days
- Class
- Class II
- Product code
- GYB
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 7 generations to K961050 (1997). 13 ancestors in all, the oldest K782055 (1979). No later device cites it as a predicate yet.
- Root · 7 generations backK961050 Reliefband Tens Unit (Modification)Maven Labs, Inc. · 1997
- 6 generations backK980333 ReliefbandWoodside Biomedical, Inc. · 1998
- 5 generations backK982436 Reliefband NST Device, Model #'S WB-2, WB-6 and WB-RWoodside Biomedical, Inc. · 1998
- 4 generations backK994387 Reliefband NST Device, Model WB-2L, WB-6L, WB-RLWoodside Biomedical, Inc. · 2000
- 3 generations backK020180 Reliefband Device, Models RB-DL, RB-EL, RB-RLWoodside Biomedical, Inc. · 2002
- 2 generations backK032239 Thera-Cream, Model TCT004Prizm Medical, Inc. · 2004
- 1 generation backK161654 NuFACE Gel PrimerCarol Cole Company · 2016
- This deviceK243749 Jmoon Conductive GelShenzhen Ulike Smart Electronics Co., Ltd. · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K961050 | Reliefband Tens Unit (Modification) | Maven Labs, Inc. | 1997 | — |
| −6 | K980333 | Reliefband | Woodside Biomedical, Inc. | 1998 | — |
| −5 | K982436 | Reliefband NST Device, Model #'S WB-2, WB-6 and WB-R | Woodside Biomedical, Inc. | 1998 | — |
| −4 | K994387 | Reliefband NST Device, Model WB-2L, WB-6L, WB-RL | Woodside Biomedical, Inc. | 2000 | — |
| −3 | K020180 | Reliefband Device, Models RB-DL, RB-EL, RB-RL | Woodside Biomedical, Inc. | 2002 | — |
| −2 | K032239 | Thera-Cream, Model TCT004 | Prizm Medical, Inc. | 2004 | — |
| −1 | K161654 | NuFACE Gel Primer | Carol Cole Company | 2016 | — |
| 0 (this device) | K243749 | Jmoon Conductive Gel | Shenzhen Ulike Smart Electronics Co., Ltd. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1993 | 1 | 0 |
| 1995 | 1 | 0 |
| 1999 | 2 | 0 |
| 2003 | 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 GYB? 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 GYB device
- #1 K220735 Avologi Gel Primer (Model: Av25)score 7.8 · 7 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 |
|---|---|---|---|
| * | K161654 | NuFACE Gel PrimerSummary page 6…td. Items Subject Device Predicate Device Comments 510(k) No. K243749 K161654 / Device Name Jmoon Conductive Gel NuFACE Gel Primer / Regul… | 2016 |
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 5 companies; a new generation was cleared every 2.0 years on median.
- None of the 13 ancestors has a recall.
- 1 other device also cites its predicate K161654.
How does its category compare?
All GYB devicesGYB Media, Electroconductive: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · GYB
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GYB
101in 2022
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GYB
1in 2021
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · GYB
2in 2025
MAUDE reports naming product code GYB, 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 | 0 | — | 0 | 9 |
| 2008 | 0 | — | 0 | 4 |
| 2009 | 0 | — | 0 | 3 |
| 2010 | 0 | — | 0 | 7 |
| 2011 | 0 | — | 0 | 10 |
| 2012 | 1 | — | 0 | 15 |
| 2013 | 0 | — | 0 | 2 |
| 2014 | 0 | — | 0 | 5 |
| 2015 | 0 | — | 0 | 3 |
| 2016 | 1 | — | 0 | 3 |
| 2017 | 1 | — | 0 | 4 |
| 2018 | 0 | — | 0 | 2 |
| 2019 | 1 | — | 0 | 3 |
| 2020 | 3 | 198 | 0 | 2 |
| 2021 | 2 | — | 1 (1) | 4 |
| 2022 | 3 | 101 | 0 | 4 |
| 2023 | 1 | — | 0 | 6 |
| 2024 | 0 | — | 0 | 4 |
| 2025 | 1 | — | 0 | 2 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
JMOON Conductive Gel is intended to be used with microcurrent devices to improve skin conductivity.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K243749 · printed Nov 6, 2026
Cite this page
510(k) Report. “K243749: Jmoon Conductive Gel.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243749
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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