510(k) · Cleared
ClearedDermatrix Duo
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Shenzhen Gsd Technology Co., Ltd. · GEI Electrosurgical, Cutting & Coagulation & Accessories
Cleared on Feb 6, 2026 as substantially equivalent to K211562 (ShenB Co., Ltd., 2021) and 1 other predicate after a 235-day review. Its family tree reaches back 22 generations to 1995.
- Decided
- Feb 6, 2026
- Review
- 235 days
- Class
- Class II
- Product code
- GEI
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 22 generations to K943450 (1995). 361 ancestors in all, the oldest K800617 (1980). No later device cites it as a predicate yet.
- Root · 22 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
- 18 generations between
- 3 generations backK150035 V10 systemViora, Ltd. · 2015
- 2 generations backK161199 EndyMed Contour HandpieceEndymed Medical, Ltd. · 2016
- 1 generation backK242996 EndyMed PRO MAXEndymed Medical, Ltd. · 2025
- This deviceK251836 Dermatrix DuoShenzhen Gsd Technology Co., Ltd. · 2026
Show all 22 generations
- Root · 22 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
- 21 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
- 20 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
- 19 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
- 18 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
- 17 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
- 16 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
- 15 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
- 14 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
- 13 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
- 12 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
- 11 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
- 10 generations backK051214 Aluma Skin Renewal SystemLumenis, Inc. · 2005
- 9 generations backK060448 Lumenis One Family of Systems; Lumenis One.Lumenis, Ltd. · 2006
- 8 generations backK072564 Alma Lasers Harmony XL Multi-Application PlatformAlma Lasers, Ltd. · 2008
- 7 generations backK082876 Beamax/ Formax Pulsed Light Device FamilySharplight Technologies, Ltd. · 2008
- 6 generations backK111303 Dermatological Treatment Device FamilySharplight Technologies, Ltd. · 2011
- 5 generations backK133837 Viora V-TotalViora, Ltd. · 2014
- 4 generations backK142093 V20 SystemViora, Ltd. · 2014
- 3 generations backK150035 V10 systemViora, Ltd. · 2015
- 2 generations backK161199 EndyMed Contour HandpieceEndymed Medical, Ltd. · 2016
- 1 generation backK242996 EndyMed PRO MAXEndymed Medical, Ltd. · 2025
- This deviceK251836 Dermatrix DuoShenzhen Gsd Technology Co., Ltd. · 2026
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −22 | K943450 | Arthrocare Arthroscopic Electrosurgery System Model 970 | Arthrocare Corp. | 1995 | — |
| −21 | K961069 | Arthrocare Urologic Multi-Electrode Electrosurgery System | Arthrocare Corp. | 1996 | — |
| −20 | K962445 | Arthrocare Dental Electrosurgery System | Arthrocare Corp. | 1996 | — |
| −19 | K964849 | Arthrocare Dermatologic Electrosurgery System | Arthrocare Corp. | 1997 | — |
| −18 | K973478 | Arthrocare Sinus Electrosurgery System | Arthrocare Corp. | 1998 | — |
| −17 | K981870 | Visage Cosmetic Surgery System | Arthrocare Corp. | 1998 | — |
| −16 | K000944 | Thermage Thermacool System | Thermage, Inc. | 2000 | — |
| −15 | K013034 | Modification to: Thermacool Iia | Thermage, Inc. | 2001 | — |
| −14 | K013639 | Thermage Thermacool TC System | Thermage, Inc. | 2002 | — |
| −13 | K021402 | Thermage Thermacool TC System | Thermage, Inc. | 2002 | — |
| −12 | K030142 | Thermacool TC System | Thermage, Inc. | 2003 | — |
| −11 | K031671 | Polaris WR | Syneron Medical, Ltd. | 2003 | — |
| −10 | K051214 | Aluma Skin Renewal System | Lumenis, Inc. | 2005 | — |
| −9 | K060448 | Lumenis One Family of Systems; Lumenis One. | Lumenis, Ltd. | 2006 | — |
| −8 | K072564 | Alma Lasers Harmony XL Multi-Application Platform | Alma Lasers, Ltd. | 2008 | — |
| −7 | K082876 | Beamax/ Formax Pulsed Light Device Family | Sharplight Technologies, Ltd. | 2008 | — |
| −6 | K111303 | Dermatological Treatment Device Family | Sharplight Technologies, Ltd. | 2011 | — |
| −5 | K133837 | Viora V-Total | Viora, Ltd. | 2014 | — |
| −4 | K142093 | V20 System | Viora, Ltd. | 2014 | — |
| −3 | K150035 | V10 system | Viora, Ltd. | 2015 | — |
| −2 | K161199 | EndyMed Contour Handpiece | Endymed Medical, Ltd. | 2016 | — |
| −1 | K242996 | EndyMed PRO MAX | Endymed Medical, Ltd. | 2025 | — |
| 0 (this device) | K251836 | Dermatrix Duo | Shenzhen Gsd Technology Co., Ltd. | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1980 | 1 | 0 |
| 1982 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 18 | 0 |
| 1995 | 18 | 0 |
| 1996 | 22 | 0 |
| 1997 | 23 | 0 |
| 1998 | 22 | 0 |
| 1999 | 14 | 0 |
| 2000 | 26 | 0 |
| 2001 | 28 | 0 |
| 2002 | 33 | 0 |
| 2003 | 28 | 0 |
| 2004 | 16 | 0 |
| 2005 | 15 | 0 |
| 2006 | 5 | 0 |
| 2007 | 9 | 0 |
| 2008 | 3 | 0 |
| 2009 | 6 | 0 |
| 2010 | 2 | 0 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2021 | 2 | 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 GEI? 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 GEI device
- #1 K231790 The InMode System with the Morpheus8 Applicatorsscore 32.7 · 21 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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 |
|---|---|---|---|
| * | K211562 | Virtue RFSummary page 5…878.440, 882.5890 Product Code GEI, PBX Regulatory Class II Legally Marketed Predicate Devices Virtue RF (K211562) Endymed Mini-Shaper Max Handpiece(K242996) Device Description: The Dermatrix Duo syst… | 2021 |
| * | K242996 | EndyMed PRO MAXSummary page 5…ory Class II Legally Marketed Predicate Devices Virtue RF (K211562) Endymed Mini-Shaper Max Handpiece(K242996) Device Description: The Dermatrix Duo system includes the system main body, a footswitch and two handpieces, the Microneedle… | 2025 |
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 31 years and passes through 10 companies; a new generation was cleared every 9 months on median.
- 14 of the 361 ancestors have a recall of any class.
- 1 other device also cites its predicate K211562.
How does its category compare?
All GEI devicesGEI Electrosurgical, Cutting & Coagulation & Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, this device’s year, is highlighted.
FDA decisions per year · GEI
52in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GEI
113in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GEI
4in 2025
Class I (14 since 2007) Class II/III not classified
Adverse event reports per year · GEI
7,592in 2025
MAUDE reports naming product code GEI, 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 | 50 | 51 | 21 | 2,795 |
| 2008 | 61 | 71 | 19 | 2,556 |
| 2009 | 42 | 130 | 27 | 3,591 |
| 2010 | 46 | 109 | 51 | 3,377 |
| 2011 | 35 | 135 | 32 | 4,463 |
| 2012 | 39 | 133 | 30 | 5,216 |
| 2013 | 48 | 136 | 13 | 4,897 |
| 2014 | 49 | 103 | 3 | 4,908 |
| 2015 | 47 | 123 | 4 | 4,936 |
| 2016 | 64 | 108 | 3 | 5,616 |
| 2017 | 52 | 72 | 2 | 6,073 |
| 2018 | 47 | 93 | 6 | 6,545 |
| 2019 | 48 | 93 | 5 | 7,067 |
| 2020 | 59 | 105 | 1 | 6,490 |
| 2021 | 46 | 146 | 6 | 6,354 |
| 2022 | 55 | 150 | 49 | 6,103 |
| 2023 | 65 | 104 | 27 (4) | 7,176 |
| 2024 | 59 | 125 | 22 (10) | 7,897 |
| 2025 | 52 | 113 | 4 | 7,592 |
| 2026 | 43 | 183 | 8 | — |
What is it indicated for?
The Dermatrix Duo is intended for use in dermatologic procedures for electrocoagulation and hemostasis.
The SFR applicator is indicated for:
* Relief of minor muscle aches and pain, relief of muscle spasm
* Temporary improvement of local blood circulation
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K251836 · printed Nov 5, 2026
Cite this page
510(k) Report. “K251836: Dermatrix Duo.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K251836
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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