510(k) Report

510(k) · Cleared

Cleared

ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II); ZenTite (Unicorn+III)

K254290510(k) SpecialCleared Jan 30, 202630-day reviewClass II21 CFR 878.4400

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Shenzhen Peninsula Medical Group · GEI Electrosurgical, Cutting & Coagulation & Accessories

Cleared on Jan 30, 2026 as substantially equivalent to K241832 (Boston Aesthetics, Inc., 2025) after a 30-day review. Its family tree reaches back 21 generations to 1995.

Decided
Jan 30, 2026
Review
30 days
Class
Class II
Product code
GEI
Recalls
None
Predicates
1

Its longest line of descent runs back 21 generations to K943450 (1995). 290 ancestors in all, the oldest K800617 (1980). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2023: 1 other ancestor2017: 3 other ancestors2020: 1 other ancestor2016: 2 other ancestors1988: 3 other ancestors2013: 2 other ancestors2014: 2 other ancestors2010: 2 other ancestors2009: 3 other ancestors2008: 1 other ancestor2004: 11 other ancestors2012: 1 other ancestor2007: 5 other ancestors2005: 5 other ancestors2003: 23 other ancestors2001: 24 other ancestors1999: 12 other ancestors1998: 17 other ancestors1996: 20 other ancestors2002: 28 other ancestors2000: 22 other ancestors1994: 17 other ancestors1980: 1 other ancestor2006: 1 other ancestor1997: 22 other ancestors1995: 15 other ancestors1992: 3 other ancestors1991: 6 other ancestors1990: 3 other ancestors1982: 2 other ancestors1986: 1 other ancestor1993: 8 other ancestors1989: 1 other ancestor1985: 1 other ancestorK943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995×2: 2 generations cleared close together, K961069 (1996), K962445 (1996) K964849 · Arthrocare Dermatologic Electrosurgery System · Arthrocare Corp. · 1997K973478 · Arthrocare Sinus Electrosurgery System · Arthrocare Corp. · 1998K981870 · Visage Cosmetic Surgery System · Arthrocare Corp. · 1998K000944 · Thermage Thermacool System · Thermage, Inc. · 2000×2: 2 generations cleared close together, K013034 (2001), K013639 (2002) K021402 · Thermage Thermacool TC System · Thermage, Inc. · 2002K032088 · Modification to Thermacool TC System · Thermage, Inc. · 2003K052778 · Thermage Thermacool Skin Marketing · Thermage, Inc. · 2005K060948 · Portrait PSR3 · Rhytec Incorporated · 2006 · recalled×2: 2 generations cleared close together, K071786 (2007), K072394 (2007) K073572 · Matrix RF Applicator · Syneron Medical, Ltd. · 2008K101510 · Fractional Skin Resurfacing (FSR) Applicator · Endymed Medical, Ltd. · 2011K130501 · Intensif · Endymed Medical, Ltd. · 2014K180189 · InMode System with Fractora3D/3D-90 Applicators · Inmode MD, Ltd. · 2018K192545 · Potenza · Jeisys Medical Incorporated · 2020K241832 · Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF System (Unicorn+ II); Unicorn+ RF System (Unicorn+ III) · Boston Aesthetics, Inc. · 202519801990200020102020
Other ancestors, by generation 2 generations back: 2 other ancestors3 generations back: 4 other ancestors4 generations back: 4 other ancestors5 generations back: 8 other ancestors6 generations back: 13 other ancestors7 generations back: 15 other ancestors8 generations back: 72 other ancestors9 generations back: 65 other ancestors10 generations back: 51 other ancestors11 generations back: 27 other ancestors12 generations back: 7 other ancestors13 generations back: 1 other ancestor K241832 · Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF System (Unicorn+ II); Unicorn+ RF System (Unicorn+ III) · Boston Aesthetics, Inc. · 2025K192545 · Potenza · Jeisys Medical Incorporated · 2020K180189 · InMode System with Fractora3D/3D-90 Applicators · Inmode MD, Ltd. · 2018K130501 · Intensif · Endymed Medical, Ltd. · 2014K101510 · Fractional Skin Resurfacing (FSR) Applicator · Endymed Medical, Ltd. · 2011K073572 · Matrix RF Applicator · Syneron Medical, Ltd. · 2008K072394 · Portrait Stand-Off · Rhytec Incorporated · 2007K071786 · Portrait PSR · Rhytec Incorporated · 2007K060948 · Portrait PSR3 · Rhytec Incorporated · 2006 · recalledK052778 · Thermage Thermacool Skin Marketing · Thermage, Inc. · 2005K032088 · Modification to Thermacool TC System · Thermage, Inc. · 2003K021402 · Thermage Thermacool TC System · Thermage, Inc. · 2002K013639 · Thermage Thermacool TC System · Thermage, Inc. · 2002K013034 · Modification to: Thermacool Iia · Thermage, Inc. · 2001K000944 · Thermage Thermacool System · Thermage, Inc. · 2000K981870 · Visage Cosmetic Surgery System · Arthrocare Corp. · 1998K973478 · Arthrocare Sinus Electrosurgery System · Arthrocare Corp. · 1998K964849 · Arthrocare Dermatologic Electrosurgery System · Arthrocare Corp. · 1997K962445 · Arthrocare Dental Electrosurgery System · Arthrocare Corp. · 1996K961069 · Arthrocare Urologic Multi-Electrode Electrosurgery System · Arthrocare Corp. · 1996K943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995−20−15−10−50
  1. Root · 21 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 17 generations between
  3. 3 generations backK180189 InMode System with Fractora3D/3D-90 ApplicatorsInmode MD, Ltd. · 2018
  4. 2 generations backK192545 PotenzaJeisys Medical Incorporated · 2020
  5. 1 generation backK241832 Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I)…Boston Aesthetics, Inc. · 2025
  6. This deviceK254290 ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II)…Shenzhen Peninsula Medical Group · 2026
Show all 21 generations
  1. Root · 21 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 20 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
  3. 19 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
  4. 18 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
  5. 17 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
  6. 16 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
  7. 15 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
  8. 14 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
  9. 13 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
  10. 12 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
  11. 11 generations backK032088 Modification to Thermacool TC SystemThermage, Inc. · 2003
  12. 10 generations backK052778 Thermage Thermacool Skin MarketingThermage, Inc. · 2005
  13. 9 generations backK060948 Portrait PSR3Rhytec Incorporated · 2006 · Recalled
  14. 8 generations backK071786 Portrait PSRRhytec Incorporated · 2007
  15. 7 generations backK072394 Portrait Stand-OffRhytec Incorporated · 2007
  16. 6 generations backK073572 Matrix RF ApplicatorSyneron Medical, Ltd. · 2008
  17. 5 generations backK101510 Fractional Skin Resurfacing (FSR) ApplicatorEndymed Medical, Ltd. · 2011
  18. 4 generations backK130501 IntensifEndymed Medical, Ltd. · 2014
  19. 3 generations backK180189 InMode System with Fractora3D/3D-90 ApplicatorsInmode MD, Ltd. · 2018
  20. 2 generations backK192545 PotenzaJeisys Medical Incorporated · 2020
  21. 1 generation backK241832 Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I)…Boston Aesthetics, Inc. · 2025
  22. This deviceK254290 ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II)…Shenzhen Peninsula Medical Group · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−21K943450Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp.1995—
−20K961069Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp.1996—
−19K962445Arthrocare Dental Electrosurgery SystemArthrocare Corp.1996—
−18K964849Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp.1997—
−17K973478Arthrocare Sinus Electrosurgery SystemArthrocare Corp.1998—
−16K981870Visage Cosmetic Surgery SystemArthrocare Corp.1998—
−15K000944Thermage Thermacool SystemThermage, Inc.2000—
−14K013034Modification to: Thermacool IiaThermage, Inc.2001—
−13K013639Thermage Thermacool TC SystemThermage, Inc.2002—
−12K021402Thermage Thermacool TC SystemThermage, Inc.2002—
−11K032088Modification to Thermacool TC SystemThermage, Inc.2003—
−10K052778Thermage Thermacool Skin MarketingThermage, Inc.2005—
−9K060948Portrait PSR3Rhytec Incorporated20061
−8K071786Portrait PSRRhytec Incorporated2007—
−7K072394Portrait Stand-OffRhytec Incorporated2007—
−6K073572Matrix RF ApplicatorSyneron Medical, Ltd.2008—
−5K101510Fractional Skin Resurfacing (FSR) ApplicatorEndymed Medical, Ltd.2011—
−4K130501IntensifEndymed Medical, Ltd.2014—
−3K180189InMode System with Fractora3D/3D-90 ApplicatorsInmode MD, Ltd.2018—
−2K192545PotenzaJeisys Medical Incorporated2020—
−1K241832Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF…Boston Aesthetics, Inc.2025—
0 (this device)K254290ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II); ZenTite…Shenzhen Peninsula Medical Group2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198010
198220
198510
198610
198830
198910
199030
199160
199230
199380
1994170
1995150
1996200
1997220
1998170
1999120
2000220
2001240
2002280
2003230
2004110
200550
200610
200750
200810
200930
201020
201210
201320
201420
201620
201730
202010
202310
FIG. 1 — Lineage of K254290, 1995–2026Source: 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 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. #1 K231790 The InMode System with the Morpheus8 Applicatorsscore 32.7 · 21 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
*K241832Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF System…
Summary page 5
…Predicate Device Unicorn+ RF System Boston Aesthetics INC Shenzhen Peninsula Medical Group K241832 3. Indications for Use The ZenTite is intended for use in dermatologic and general surgical procedures for electrocoagulation a…
Boston Aesthetics, Inc.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 9 companies; a new generation was cleared every 12 months on median.
  • 12 of the 290 ancestors have a recall of any class.

How does its category compare?

All GEI devices

GEI 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

2007: 502008: 612009: 422010: 462011: 352012: 392013: 482014: 492015: 472016: 642017: 522018: 472019: 482020: 592021: 462022: 552023: 652024: 592025: 522026 (partial year): 43
2007high 65 (2023) · low 35 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GEI

113in 2025

2007: 51 days median2008: 71 days median2009: 130 days median2010: 109 days median2011: 135 days median2012: 133 days median2013: 136 days median2014: 103 days median2015: 123 days median2016: 108 days median2017: 72 days median2018: 93 days median2019: 93 days median2020: 105 days median2021: 146 days median2022: 150 days median2023: 104 days median2024: 125 days median2025: 113 days median2026 (partial year): 183 days median
2007high 183 (2026) · low 51 (2007)2026

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

Recalls per year · GEI

4in 2025

2007: 212008: 192009: 272010: 512011: 322012: 302013: 132014: 32015: 42016: 32017: 22018: 62019: 52020: 12021: 62022: 492023: 27, 4 Class I2024: 22, 10 Class I2025: 42026 (partial year): 8
2007high 51 (2010) · low 1 (2020)2026

Class I (14 since 2007) Class II/III not classified

Adverse event reports per year · GEI

7,592in 2025

2007: 2,7952008: 2,5562009: 3,5912010: 3,3772011: 4,4632012: 5,2162013: 4,8972014: 4,9082015: 4,9362016: 5,6162017: 6,0732018: 6,5452019: 7,0672020: 6,4902021: 6,3542022: 6,1032023: 7,1762024: 7,8972025: 7,592
2007high 7,897 (2024) · low 2,556 (2008)2025

MAUDE reports naming product code GEI, 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
20075051212,795
20086171192,556
200942130273,591
201046109513,377
201135135324,463
201239133305,216
201348136134,897
20144910334,908
20154712344,936
20166410835,616
2017527226,073
2018479366,545
2019489357,067
20205910516,490
20214614666,354
202255150496,103
20236510427 (4)7,176
20245912522 (10)7,897
20255211347,592
2026431838—

What is it indicated for?

The ZenTite is intended for use in dermatologic and general surgical procedures for electrocoagulation and hemostasis. The ZenTite is used for the relief of minor muscle aches and pain, muscle spasm, and temporary improvement of local blood circulation.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K254290: ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II); ZenTite (Unicorn+III).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K254290

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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