510(k) · Cleared
ClearedSymphony RF Generator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Thermigen, Inc. · GEI Electrosurgical, Cutting & Coagulation & Accessories
Cleared on Nov 15, 2013 as substantially equivalent to K033981 (Smith & Nephew, Inc., 2004) and 3 other predicates after a 247-day review. Its family tree reaches back 17 generations to 1995. 11 later devices descend from it.
- Decided
- Nov 15, 2013
- Review
- 247 days
- Class
- Class II
- Product code
- GEI
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 17 generations to K943450 (1995). 103 ancestors in all, the oldest K800617 (1980). 11 later devices descend from it, 4 citing it directly.
- Root · 17 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
- 13 generations between
- 3 generations backK072699 Alma Lasers Family of Accent Radiofrequency (RF) Systems, Models…Alma Lasers, Ltd. · 2007
- 2 generations backK101967 Non-Ablative Wrinkle Treatent Handpiece Modle Pelleve'Ellman Int'L, Inc. · 2010
- 1 generation backK102368 Non-Ablative Wrinkle Treatment HandpieceEllman Int'L, Inc. · 2010
- This deviceK130689 Symphony RF GeneratorThermigen, Inc. · 2013
- Descendant · cites it directly · 6 of its ownK171094 Thermi Reusable Non-invasive RF ElectrodeThermgen, L.L.C · 2017
- Descendant · 2 generations on · 3 of its ownK222260 Capenergy C Equipment RF System - C25, C50, C100, C200, C300, C400…Capenergy Medical S.L. · 2023
- Descendant · cites it directly · 3 of its ownK161661 Thermi RF AccessoriesThermi · 2016
- Descendant · 2 generations on · 2 of its ownK170116 Thermi Injectable RF ElectrodesThermi · 2017
- Descendant · 3 generations on · 1 of its ownK241832 Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I)…Boston Aesthetics, Inc. · 2025
Show all 17 generations
- Root · 17 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
- 16 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
- 15 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
- 14 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
- 13 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
- 12 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
- 11 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
- 10 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
- 9 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
- 8 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
- 7 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
- 6 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
- 5 generations backK051214 Aluma Skin Renewal SystemLumenis, Inc. · 2005
- 4 generations backK070004 AccentAlma Lasers, Ltd. · 2007
- 3 generations backK072699 Alma Lasers Family of Accent Radiofrequency (RF) Systems, Models…Alma Lasers, Ltd. · 2007
- 2 generations backK101967 Non-Ablative Wrinkle Treatent Handpiece Modle Pelleve'Ellman Int'L, Inc. · 2010
- 1 generation backK102368 Non-Ablative Wrinkle Treatment HandpieceEllman Int'L, Inc. · 2010
- This deviceK130689 Symphony RF GeneratorThermigen, Inc. · 2013
Showing 5 of 11 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 11 · See all- K171094Thermi Reusable Non-invasive RF ElectrodeThermgen, L.L.C · 2017 · cites it directly6descendants
- K222260Capenergy C Equipment RF System - C25, C50, C100, C200, C300, C400, C500Capenergy Medical S.L. · 2023 · 2 generations on3descendants
- K161661Thermi RF AccessoriesThermi · 2016 · cites it directly3descendants
- K170116Thermi Injectable RF ElectrodesThermi · 2017 · 2 generations on2descendants
- K241832Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF System…Boston Aesthetics, Inc. · 2025 · 3 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −17 | K943450 | Arthrocare Arthroscopic Electrosurgery System Model 970 | Arthrocare Corp. | 1995 | — |
| −16 | K961069 | Arthrocare Urologic Multi-Electrode Electrosurgery System | Arthrocare Corp. | 1996 | — |
| −15 | K962445 | Arthrocare Dental Electrosurgery System | Arthrocare Corp. | 1996 | — |
| −14 | K964849 | Arthrocare Dermatologic Electrosurgery System | Arthrocare Corp. | 1997 | — |
| −13 | K973478 | Arthrocare Sinus Electrosurgery System | Arthrocare Corp. | 1998 | — |
| −12 | K981870 | Visage Cosmetic Surgery System | Arthrocare Corp. | 1998 | — |
| −11 | K000944 | Thermage Thermacool System | Thermage, Inc. | 2000 | — |
| −10 | K013034 | Modification to: Thermacool Iia | Thermage, Inc. | 2001 | — |
| −9 | K013639 | Thermage Thermacool TC System | Thermage, Inc. | 2002 | — |
| −8 | K021402 | Thermage Thermacool TC System | Thermage, Inc. | 2002 | — |
| −7 | K030142 | Thermacool TC System | Thermage, Inc. | 2003 | — |
| −6 | K031671 | Polaris WR | Syneron Medical, Ltd. | 2003 | — |
| −5 | K051214 | Aluma Skin Renewal System | Lumenis, Inc. | 2005 | — |
| −4 | K070004 | Accent | Alma Lasers, Ltd. | 2007 | — |
| −3 | K072699 | Alma Lasers Family of Accent Radiofrequency (RF) Systems, Models: Accent… | Alma Lasers, Ltd. | 2007 | — |
| −2 | K101967 | Non-Ablative Wrinkle Treatent Handpiece Modle Pelleve' | Ellman Int'L, Inc. | 2010 | — |
| −1 | K102368 | Non-Ablative Wrinkle Treatment Handpiece | Ellman Int'L, Inc. | 2010 | — |
| 0 (this device) | K130689 | Symphony RF Generator | Thermigen, Inc. | 2013 | — |
| +1 | K171094 | Thermi Reusable Non-invasive RF Electrode | Thermgen, L.L.C | 2017 | — |
| +2 | K222260 | Capenergy C Equipment RF System - C25, C50, C100, C200, C300, C400, C500 | Capenergy Medical S.L. | 2023 | — |
| +1 | K161661 | Thermi RF Accessories | Thermi | 2016 | — |
| +2 | K170116 | Thermi Injectable RF Electrodes | Thermi | 2017 | — |
| +3 | K241832 | Unicorn+ RF System (Unicorn+); Unicorn+ RF System (Unicorn+ I); Unicorn+ RF… | Boston Aesthetics, Inc. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1980 | 1 | 0 |
| 1985 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 0 |
| 2002 | 8 | 0 |
| 2003 | 3 | 0 |
| 2004 | 3 | 0 |
| 2005 | 1 | 0 |
| 2009 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2016 | 3 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2023 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 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? (4)
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 |
|---|---|---|---|
| * | K033981 | Smith & Nephew Electrothermal 20S Spine Generator, Model 7209975Summary page 2…(a)(3)] The Symphony RE System and the RFE- 10-D handpiece use similar technology and physical output characteristics as the following predicate devices: K03 3981I Smith&Nephew ElectroThermal 20S K000944 Thermage TherniaCool System K082834, K 102368 Ellman Three Bution Fingersivitc… | 2004 |
| * | K000944 | Thermage Thermacool SystemSummary page 2…E- 10-D handpiece use similar technology and physical output characteristics as the following predicate devices: K03 3981I Smith&Nephew ElectroThermal 20S K000944 Thermage TherniaCool System K082834, K 102368 Ellman Three Bution FingersivitchHandpiece E. Device Description [21 CFR 80… | 2000 |
| * | K082834 | Ellman International Non-Ablative Technique for Surgitron IecSummary page 2…and physical output characteristics as the following predicate devices: K03 3981I Smith&Nephew ElectroThermal 20S K000944 Thermage TherniaCool System K082834, K 102368 Ellman Three Bution FingersivitchHandpiece E. Device Description [21 CFR 807.92(a)(4)] The Symphony RF is a 20… | 2009 |
| * | K102368 | Non-Ablative Wrinkle Treatment HandpieceSummary page 2…physical output characteristics as the following predicate devices: K03 3981I Smith&Nephew ElectroThermal 20S K000944 Thermage TherniaCool System K082834, K 102368 Ellman Three Bution FingersivitchHandpiece E. Device Description [21 CFR 807.92(a)(4)] The Symphony RF is a 20 watt elec… | 2010 |
What descends from it? (11)
See all 114 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 18 years and passes through 7 companies; a new generation was cleared every 9 months on median.
- 4 of the 103 ancestors have a recall of any class.
- Of its descendants, K171094 (Thermgen, L.L.C, 2017) has gone furthest, with 6 descendants of its own.
- 3 other devices also cite its predicate K033981.
How does its category compare?
All GEI devicesGEI Electrosurgical, Cutting & Coagulation & Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, 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 ThermiGen Symphony RE Generator System and the probes that are used with it are indicated for use in dermatological and general surgical procedures for electrocoagulation and hemostasis.
To create lesions in nervous tissue when wsed in combination with Neuromhermn (previously Smith&Nephew) thermal/coagulation probes.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K130689 · printed Nov 6, 2026
Cite this page
510(k) Report. “K130689: Symphony RF Generator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K130689
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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