510(k) · Cleared
ClearedGX1 Radiofrequency Generator Kit (RFG-X1-120V); GX1 Radiofrequency Generator Kit (RFG-X1-220V); GX1 Radiofrequency Generator Kit (RFG-X1-240V); GX1 System Release Rest of World (GX1-SYS-ROW); GX1 Radiofrequency Generator (51779845-01); GX1 Radiofrequency Generator (51779845-02); GX1 Radiofrequency Generator (51779845-03)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Boston Scientific Neuromodulation Corporation · GXD Generator, Lesion, Radiofrequency
Cleared on Aug 7, 2025 as substantially equivalent to K082051 (Cosman Medical, Inc., 2008) after a 106-day review. Its family tree reaches back 5 generations to 1987.
- Decided
- Aug 7, 2025
- Review
- 106 days
- Class
- Class II
- Product code
- GXD
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K870028 (1987). 10 ancestors in all. No later device cites it as a predicate yet.
- Root · 5 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
- 4 generations backK963577 Radionics Sluijter-Mehta CannulaRadionics, Inc. · 1996
- 3 generations backK980430 Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc. · 1998
- 2 generations backK050084 Cosman RF Lesion Generator, Model RFG-1A; Cosman Tew Trigeminal…Cosman Medical, Inc. · 2005 · Recalled
- 1 generation backK082051 Cosman G4 Radiofrequency Generator, Model RFG-4Cosman Medical, Inc. · 2008
- This deviceK251247 GX1 Radiofrequency Generator Kit (RFG-X1-120V); GX1 Radiofrequency…Boston Scientific Neuromodulation Corporation · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K870028 | SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible | Radionics, Inc. | 1987 | — |
| −4 | K963577 | Radionics Sluijter-Mehta Cannula | Radionics, Inc. | 1996 | — |
| −3 | K980430 | Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS) | Radionics, Inc. | 1998 | — |
| −2 | K050084 | Cosman RF Lesion Generator, Model RFG-1A; Cosman Tew Trigeminal Electrode Kit… | Cosman Medical, Inc. | 2005 | 3 |
| −1 | K082051 | Cosman G4 Radiofrequency Generator, Model RFG-4 | Cosman Medical, Inc. | 2008 | — |
| 0 (this device) | K251247 | GX1 Radiofrequency Generator Kit (RFG-X1-120V); GX1 Radiofrequency Generator… | Boston Scientific Neuromodulation Corporation | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2006 | 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 GXD? 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 GXD device
- #1 K231675 OneRF Ablation Systemscore 10.7 · 5 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 |
|---|---|---|---|
| * | K082051 | Cosman G4 Radiofrequency Generator, Model RFG-4Summary page 5…Boston Scientific Neuromodulation Corporation Predicate Device Common Name: Radiofrequency Ablation Generator Predicate Device Premarket Notification # K082051 Predicate Device Regulation & Name Radiofrequency Lesion Generator (21 CFR 882.4400 Predicate Device Classification &… | 2008 |
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 38 years and passes through 3 companies; a new generation was cleared every 7.0 years on median.
- 1 of the 10 ancestors has a recall of any class.
- 2 other devices also cite its predicate K082051.
How does its category compare?
All GXD devicesGXD Generator, Lesion, Radiofrequency: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · GXD
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GXD
185in 2007
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GXD
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GXD
88in 2025
MAUDE reports naming product code GXD, 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 | 4 | 185 | 0 | 10 |
| 2008 | 2 | — | 0 | 10 |
| 2009 | 0 | — | 0 | 12 |
| 2010 | 1 | — | 1 | 69 |
| 2011 | 2 | — | 0 | 89 |
| 2012 | 0 | — | 0 | 77 |
| 2013 | 0 | — | 0 | 119 |
| 2014 | 0 | — | 0 | 64 |
| 2015 | 0 | — | 0 | 67 |
| 2016 | 0 | — | 1 | 51 |
| 2017 | 2 | — | 0 | 83 |
| 2018 | 0 | — | 0 | 156 |
| 2019 | 1 | — | 1 | 195 |
| 2020 | 2 | — | 0 | 138 |
| 2021 | 0 | — | 0 | 154 |
| 2022 | 1 | — | 0 | 84 |
| 2023 | 2 | — | 1 | 54 |
| 2024 | 2 | — | 0 | 63 |
| 2025 | 1 | — | 0 | 88 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Boston Scientific RFG-X1 (GX1) Radiofrequency Generator is indicated for use in procedures to create radiofrequency lesions for the treatment of pain, or for lesioning nerve tissue for functional neurosurgical procedures. The Boston Scientific GX1 Radiofrequency Generator is used with separately approved Boston Scientific Radiofrequency Probes
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K251247 · printed Nov 5, 2026
Cite this page
510(k) Report. “K251247: GX1 Radiofrequency Generator Kit (RFG-X1-120V); GX1 Radiofrequency Generator Kit (RFG-X1-220V); GX1 Radiofrequency Generator Kit (RFG-X1-240V); GX1 System Release Rest of World (GX1-SYS-ROW); GX1 Radiofrequency Generator (51779845-01); GX1 Radiofrequency Generator (51779845-02); GX1 Radiofrequency Generator (51779845-03).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K251247
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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