510(k) Report

510(k) · Cleared

Recalled · Class II · 2023

NT 2000 Lesioning Generator

K111576510(k) TraditionalCleared Sep 20, 2011106-day reviewClass II21 CFR 882.4400Recalls 4

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

Neuro Therm, Inc. · GXD Generator, Lesion, Radiofrequency

Cleared on Sep 20, 2011 as substantially equivalent to K052878 (Neuro Therm, Inc., 2006) and 2 other predicates after a 106-day review. Its family tree reaches back 5 generations to 1987. 3 later devices descend from it. It has been recalled 4 times.

Decided
Sep 20, 2011
Review
106 days
Class
Class II
Product code
GXD
Recalls
4
Predicates
3

Its longest line of descent runs back 5 generations to K870028 (1987). 12 ancestors in all. 3 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2007: 1 other ancestor2006: 1 other ancestor2004: 1 other ancestor2002: 1 other ancestor2001: 1 other ancestor1999: 1 other ancestor1998: 1 other ancestor2023: 1 descendant cleared2020: 1 descendant cleared2024: 1 descendant clearedK870028 · SMK Sluyter-Mehta Cannulae, RF Pole, Pole,Flexible · Radionics, Inc. · 1987K963577 · Radionics Sluijter-Mehta Cannula · Radionics, Inc. · 1996K980430 · Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS) · Radionics, Inc. · 1998K050084 · Cosman RF Lesion Generator, Model RFG-1A; Cosman Tew Trigeminal Electrode Kit; Cosman Tic Trigeminal Electrode Kit; · Cosman Medical, Inc. · 2005 · recalledK082051 · Cosman G4 Radiofrequency Generator, Model RFG-4 · Cosman Medical, Inc. · 20081990200020102020
  1. Root · 5 generations backK870028 SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc. · 1987
  2. 4 generations backK963577 Radionics Sluijter-Mehta CannulaRadionics, Inc. · 1996
  3. 3 generations backK980430 Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc. · 1998
  4. 2 generations backK050084 Cosman RF Lesion Generator, Model RFG-1A; Cosman Tew Trigeminal…Cosman Medical, Inc. · 2005 · Recalled
  5. 1 generation backK082051 Cosman G4 Radiofrequency Generator, Model RFG-4Cosman Medical, Inc. · 2008
  6. This deviceK111576 NT 2000 Lesioning GeneratorNeuro Therm, Inc. · 2011
  7. Descendant · cites it directly · 0 of its ownK232632 Racz Neurostat RF GeneratorEpimed International · 2024
  8. Descendant · cites it directly · 0 of its ownK220122 APEX 6Rf Innovations, Inc. · 2023
  9. Descendant · cites it directly · 0 of its ownK201610 IonicRF GeneratorAbbott Medical · 2020

Most influential descendants

Showing 3 of 3 · See all
  • K232632Racz Neurostat RF GeneratorEpimed International · 2024 · cites it directly0descendants
  • K220122APEX 6Rf Innovations, Inc. · 2023 · cites it directly0descendants
  • K201610IonicRF GeneratorAbbott Medical · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K870028SMK Sluyter-Mehta Cannulae, RF Pole, Pole,FlexibleRadionics, Inc.1987—
−4K963577Radionics Sluijter-Mehta CannulaRadionics, Inc.1996—
−3K980430Radionics Disposable RF Cannulae (SC-C, RFK-DB, RFK-DS)Radionics, Inc.1998—
−2K050084Cosman RF Lesion Generator, Model RFG-1A; Cosman Tew Trigeminal Electrode Kit…Cosman Medical, Inc.20053
−1K082051Cosman G4 Radiofrequency Generator, Model RFG-4Cosman Medical, Inc.2008—
0 (this device)K111576NT 2000 Lesioning GeneratorNeuro Therm, Inc.2011—
+1K232632Racz Neurostat RF GeneratorEpimed International2024—
+1K220122APEX 6Rf Innovations, Inc.2023—
+1K201610IonicRF GeneratorAbbott Medical2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810
199910
200110
200210
200410
200610
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202310
202410
FIG. 1 — Lineage of K111576, 1987–2024Source: 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 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. #1 K251247 GX1 Radiofrequency Generator Kit…score 11.0 · 5 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? (3)

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
*K052878NT-1000
Summary page 1
…21 CFR 882.4400 Radiofrequency lesion generator, Class 11 PRODUCT CODE: GXD C) PREDICATES: * NeuroTherm NT 1000 RF Lesioning Generator (K052878) * Stryker Multi-Gen Lesioning Generator (K07 1482) * Cosman G4 Radiofrequency Generator (K082051I) D) DEVICE…
Neuro Therm, Inc.2006—
*K071482Stryker RF Multi-Lesion Generator, Model 0406-900-000
Summary page 1
…s 11 PRODUCT CODE: GXD C) PREDICATES: * NeuroTherm NT 1000 RF Lesioning Generator (K052878) * Stryker Multi-Gen Lesioning Generator (K07 1482) * Cosman G4 Radiofrequency Generator (K082051I) D) DEVICE DESCRIPTION: The NeuroTherm NT 2000 is a desktop RF l…
Synergetics, Inc.20071
*K082051Cosman G4 Radiofrequency Generator, Model RFG-4
Summary page 1
…ATES: * NeuroTherm NT 1000 RF Lesioning Generator (K052878) * Stryker Multi-Gen Lesioning Generator (K07 1482) * Cosman G4 Radiofrequency Generator (K082051I) D) DEVICE DESCRIPTION: The NeuroTherm NT 2000 is a desktop RF lesioning generator, which is used for the lesioning…
Cosman Medical, Inc.2008—

Also cleared against K052878: 5 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K232632Racz Neurostat RF GeneratorEpimed International20240
K220122APEX 6Rf Innovations, Inc.20230
K201610IonicRF GeneratorAbbott Medical20200

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Sep 28, 2023Class IIZ-0209-2024Process change controlCertain NT2000iX RF generators were serviced using a tool that was subsequently found to be out of tolerance and therefore may not have provided accurate results for potential capacitance failure.
Apr 22, 2021Class IIZ-1549-2021Process change controlPotential capacitor failure which typically manifests as in inability to provide output on one or more channels. In some instances, users reported a charring/smoky odor or emission.
Oct 14, 2019Class IIZ-0664-2020Process controlAffected lots were manufactured with the protective release liner in an incorrect orientation. When attempting to remove this disposable release liner, a clear film may be left on the grounding pad which may interfere with patient skin…
Oct 9, 2013Class IIZ-1361-2016Software Manufacturing/Software DeploymentNT2000iX software shipped with the international setting turned on. The international settings include access to Corodotomy, Bi-Polar, and No Temperature modes were not cleared in the United States for use.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 24 years and passes through 3 companies; a new generation was cleared every 3.6 years on median.
  • 3 of the 12 ancestors have a recall of any class.
  • Of its descendants, K232632 (Epimed International, 2024) has gone furthest, with 0 descendants of its own.
  • 5 other devices also cite its predicate K052878.

How does its category compare?

All GXD devices

GXD Generator, Lesion, Radiofrequency: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.

FDA decisions per year · GXD

1in 2025

2007: 42008: 22010: 12011: 22017: 22019: 12020: 22022: 12023: 22024: 22025: 1
2007high 4 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GXD

185in 2007

2007: 185 days median
2007high 185 (2007)2026

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

Recalls per year · GXD

1in 2023

2010: 12016: 12019: 12023: 1
2007high 1 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · GXD

88in 2025

2007: 102008: 102009: 122010: 692011: 892012: 772013: 1192014: 642015: 672016: 512017: 832018: 1562019: 1952020: 1382021: 1542022: 842023: 542024: 632025: 88
2007high 195 (2019) · low 10 (2007)2025

MAUDE reports naming product code GXD, 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
20074185010
20082—010
20090—012
20101—169
20112—089
20120—077
20130—0119
20140—064
20150—067
20160—151
20172—083
20180—0156
20191—1195
20202—0138
20210—0154
20221—084
20232—154
20242—063
20251—088
20260—0—

What is it indicated for?

The NT 2000 is intended for use for lesioning of neural tissue. The NT 2000 is indicated for use in the peripheral nervous system.

The NT 2000 is to be used only with FDA cleared NeuroTherm RE probes and Smith & Nephew SPINECATH and ACUTHERM catheters.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K111576: NT 2000 Lesioning Generator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K111576

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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