510(k) Report

510(k) · Cleared

Cleared

Thermi Reusable Non-invasive RF Electrode

K171094510(k) TraditionalCleared May 8, 201726-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

Thermgen, L.L.C · GEI Electrosurgical, Cutting & Coagulation & Accessories

Cleared on May 8, 2017 as substantially equivalent to K130689 (Thermigen, Inc., 2013) after a 26-day review. Its family tree reaches back 18 generations to 1995. 6 later devices descend from it.

Decided
May 8, 2017
Review
26 days
Class
Class II
Product code
GEI
Recalls
None
Predicates
1

Its longest line of descent runs back 18 generations to K943450 (1995). 104 ancestors in all, the oldest K800617 (1980). 6 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2009: 1 other ancestor2004: 3 other ancestors2001: 6 other ancestors1999: 5 other ancestors1998: 9 other ancestors1996: 10 other ancestors2000: 9 other ancestors1994: 4 other ancestors1980: 1 other ancestor2005: 1 other ancestor1995: 5 other ancestors1992: 3 other ancestors1991: 1 other ancestor1990: 2 other ancestors2003: 3 other ancestors2002: 8 other ancestors1997: 13 other ancestors1993: 1 other ancestor1985: 1 other ancestor2023: 2 descendants cleared2018: 1 descendant cleared2025: 1 descendant cleared2026: 2 descendants clearedK943450 · 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) ×2: 2 generations cleared close together, K021402 (2002), K030142 (2003) K031671 · Polaris WR · Syneron Medical, Ltd. · 2003K051214 · Aluma Skin Renewal System · Lumenis, Inc. · 2005×2: 2 generations cleared close together, K070004 (2007), K072699 (2007) ×2: 2 generations cleared close together, K101967 (2010), K102368 (2010) K130689 · Symphony RF Generator · Thermigen, Inc. · 201319801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors3 generations back: 6 other ancestors4 generations back: 5 other ancestors5 generations back: 17 other ancestors6 generations back: 3 other ancestors7 generations back: 18 other ancestors8 generations back: 14 other ancestors9 generations back: 11 other ancestors10 generations back: 8 other ancestors11 generations back: 2 other ancestors 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 1 descendant K130689 · Symphony RF Generator · Thermigen, Inc. · 2013K102368 · Non-Ablative Wrinkle Treatment Handpiece · Ellman Int'L, Inc. · 2010K101967 · Non-Ablative Wrinkle Treatent Handpiece Modle Pelleve' · Ellman Int'L, Inc. · 2010K072699 · Alma Lasers Family of Accent Radiofrequency (RF) Systems, Models: Accent, Accent XL · Alma Lasers, Ltd. · 2007K070004 · Accent · Alma Lasers, Ltd. · 2007K051214 · Aluma Skin Renewal System · Lumenis, Inc. · 2005K031671 · Polaris WR · Syneron Medical, Ltd. · 2003K030142 · 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. · 1995−15−10−50
  1. Root · 18 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 14 generations between
  3. 3 generations backK101967 Non-Ablative Wrinkle Treatent Handpiece Modle Pelleve'Ellman Int'L, Inc. · 2010
  4. 2 generations backK102368 Non-Ablative Wrinkle Treatment HandpieceEllman Int'L, Inc. · 2010
  5. 1 generation backK130689 Symphony RF GeneratorThermigen, Inc. · 2013
  6. This deviceK171094 Thermi Reusable Non-invasive RF ElectrodeThermgen, L.L.C · 2017
  7. Descendant · cites it directly · 3 of its ownK222260 Capenergy C Equipment RF System - C25, C50, C100, C200, C300, C400…Capenergy Medical S.L. · 2023
  8. Descendant · 2 generations on · 1 of its ownK241832 Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I)…Boston Aesthetics, Inc. · 2025
  9. Descendant · cites it directly · 1 of its ownK173582 ThermiX Temperature Control Radiofrequency System, Accessories - RF…Thermigen, L.L.C · 2018
  10. Descendant · 2 generations on · 0 of its ownK253480 Capenergy C Equipments RF C200 and C400 DrakarianCapenergy Medical S.L. · 2026
  11. Descendant · 3 generations on · 0 of its ownK254290 ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II)…Shenzhen Peninsula Medical Group · 2026
Show all 18 generations
  1. Root · 18 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 17 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
  3. 16 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
  4. 15 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
  5. 14 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
  6. 13 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
  7. 12 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
  8. 11 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
  9. 10 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
  10. 9 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
  11. 8 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
  12. 7 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
  13. 6 generations backK051214 Aluma Skin Renewal SystemLumenis, Inc. · 2005
  14. 5 generations backK070004 AccentAlma Lasers, Ltd. · 2007
  15. 4 generations backK072699 Alma Lasers Family of Accent Radiofrequency (RF) Systems, Models…Alma Lasers, Ltd. · 2007
  16. 3 generations backK101967 Non-Ablative Wrinkle Treatent Handpiece Modle Pelleve'Ellman Int'L, Inc. · 2010
  17. 2 generations backK102368 Non-Ablative Wrinkle Treatment HandpieceEllman Int'L, Inc. · 2010
  18. 1 generation backK130689 Symphony RF GeneratorThermigen, Inc. · 2013
  19. This deviceK171094 Thermi Reusable Non-invasive RF ElectrodeThermgen, L.L.C · 2017

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2018: 12023: 22025: 12026: 2
2018high 2 (2023) · low 0 (2019)2026

Most influential descendants

Showing 5 of 6 · See all
  • K222260Capenergy C Equipment RF System - C25, C50, C100, C200, C300, C400, C500Capenergy Medical S.L. · 2023 · cites it directly3descendants
  • K241832Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF System…Boston Aesthetics, Inc. · 2025 · 2 generations on1descendant
  • K173582ThermiX Temperature Control Radiofrequency System, Accessories - RF ElectrodesThermigen, L.L.C · 2018 · cites it directly1descendant
  • K253480Capenergy C Equipments RF C200 and C400 DrakarianCapenergy Medical S.L. · 2026 · 2 generations on0descendants
  • K254290ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II); ZenTite (Unicorn+III)Shenzhen Peninsula Medical Group · 2026 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−18K943450Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp.1995—
−17K961069Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp.1996—
−16K962445Arthrocare Dental Electrosurgery SystemArthrocare Corp.1996—
−15K964849Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp.1997—
−14K973478Arthrocare Sinus Electrosurgery SystemArthrocare Corp.1998—
−13K981870Visage Cosmetic Surgery SystemArthrocare Corp.1998—
−12K000944Thermage Thermacool SystemThermage, Inc.2000—
−11K013034Modification to: Thermacool IiaThermage, Inc.2001—
−10K013639Thermage Thermacool TC SystemThermage, Inc.2002—
−9K021402Thermage Thermacool TC SystemThermage, Inc.2002—
−8K030142Thermacool TC SystemThermage, Inc.2003—
−7K031671Polaris WRSyneron Medical, Ltd.2003—
−6K051214Aluma Skin Renewal SystemLumenis, Inc.2005—
−5K070004AccentAlma Lasers, Ltd.2007—
−4K072699Alma Lasers Family of Accent Radiofrequency (RF) Systems, Models: Accent…Alma Lasers, Ltd.2007—
−3K101967Non-Ablative Wrinkle Treatent Handpiece Modle Pelleve'Ellman Int'L, Inc.2010—
−2K102368Non-Ablative Wrinkle Treatment HandpieceEllman Int'L, Inc.2010—
−1K130689Symphony RF GeneratorThermigen, Inc.2013—
0 (this device)K171094Thermi Reusable Non-invasive RF ElectrodeThermgen, L.L.C2017—
+1K222260Capenergy C Equipment RF System - C25, C50, C100, C200, C300, C400, C500Capenergy Medical S.L.2023—
+2K241832Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF…Boston Aesthetics, Inc.2025—
+1K173582ThermiX Temperature Control Radiofrequency System, Accessories - RF ElectrodesThermigen, L.L.C2018—
+2K253480Capenergy C Equipments RF C200 and C400 DrakarianCapenergy Medical S.L.2026—
+3K254290ZenTite (Unicorn+); ZenTite (Unicorn+I); ZenTite (Unicorn+II); ZenTite…Shenzhen Peninsula Medical Group2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198010
198510
199020
199110
199230
199310
199440
199550
1996100
1997130
199890
199950
200090
200160
200280
200330
200430
200510
200910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202320
202510
202620
FIG. 1 — Lineage of K171094, 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
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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
*K130689Symphony RF Generator
Summary page 4
…Phone: (214) 888-068 Fax: (214) 279-0101 Email: [email protected] Predicate Device K130689 The Symphony RF System Indications for Use The Thermi Reusable Non-Invasive RF Electrodes used with the Thermi RF Generat…
Thermigen, Inc.2013—

Also cleared against K130689: 3 other devices →

What descends from it? (6)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K222260Capenergy C Equipment RF System - C25, C50, C100, C200, C300, C400, C500Capenergy Medical S.L.20233
K173582ThermiX Temperature Control Radiofrequency System, Accessories - RF ElectrodesThermigen, L.L.C20181

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 8 companies; a new generation was cleared every 10 months on median.
  • 4 of the 104 ancestors have a recall of any class.
  • Of its descendants, K222260 (Capenergy Medical S.L., 2023) has gone furthest, with 3 descendants of its own.
  • 3 other devices also cite its predicate K130689.

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. 2017, 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 Thermi Reusable Non-Invasive RF Electrodes used with the Thermi RF Generator System are indicated:

- for use in dermatological and general surgical procedures for electrocoagulation and hemostasis

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K171094: Thermi Reusable Non-invasive RF Electrode.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171094

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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