510(k) Report

510(k) · Cleared

Cleared

Electroencephalograph (Eeg)

K960170510(k) TraditionalCleared Mar 1, 199645-day reviewClass II21 CFR 882.1870

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

Moberg Medical, Inc. · GWF Stimulator, Electrical, Evoked Response

Cleared on Mar 1, 1996 as substantially equivalent to K914571 (Moberg Medical, Inc., 1992) and 1 other predicate after a 45-day review. Its family tree reaches back 1 generation to 1985. 16 later devices descend from it.

Decided
Mar 1, 1996
Review
45 days
Class
Class II
Product code
GWF
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K851300 (1985). 2 ancestors in all. 16 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1992: 1 other ancestor2008: 2 descendants cleared2020: 2 descendants cleared2019: 2 descendants cleared2010: 1 descendant cleared2018: 1 descendant cleared2016: 1 descendant cleared2012: 1 descendant cleared2025: 1 descendant cleared2017: 1 descendant cleared2022: 1 descendant cleared2015: 1 descendant cleared2024: 1 descendant cleared2026: 1 descendant clearedK851300 · Neuropack 8, Mee-4108 · Nihon Kohden America, Inc. · 19851990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 5 descendants3 generations forward: 4 descendants4 generations forward: 3 descendants5 generations forward: 2 descendants K851300 · Neuropack 8, Mee-4108 · Nihon Kohden America, Inc. · 19850+5
  1. Root · 1 generation backK851300 Neuropack 8, Mee-4108Nihon Kohden America, Inc. · 1985
  2. This deviceK960170 Electroencephalograph (Eeg)Moberg Medical, Inc. · 1996
  3. Descendant · cites it directly · 14 of its ownK080217 Component Neuromonitoring SystemMoberg Research, Inc. · 2008 · Recalled
  4. Descendant · cites it directly · 8 of its ownK081551 Twin Neurotrac-IiiAstro-Med, Inc. · 2008
  5. Descendant · 2 generations on · 7 of its ownK092573 Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010
  6. Descendant · 3 generations on · 5 of its ownK120485 Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa…Nihon Kohden America, Inc. · 2012
  7. Descendant · 2 generations on · 3 of its ownK173366 NicoletOneNatus Neurology Incorporated · 2018

Showing 5 of 16 descendants. See all descendants

Descendants cleared per year

2008: 22010: 12012: 12015: 12016: 12017: 12018: 12019: 22020: 22022: 12024: 12025: 12026: 1
2008high 2 (2008) · low 0 (2009)2026

Most influential descendants

Showing 5 of 16 · See all
  • K080217Component Neuromonitoring SystemMoberg Research, Inc. · 2008 · cites it directly14descendants
  • K081551Twin Neurotrac-IiiAstro-Med, Inc. · 2008 · cites it directly8descendants
  • K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010 · 2 generations on7descendants
  • K120485Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend and FFT PNihon Kohden America, Inc. · 2012 · 3 generations on5descendants
  • K173366NicoletOneNatus Neurology Incorporated · 2018 · 2 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K851300Neuropack 8, Mee-4108Nihon Kohden America, Inc.1985—
0 (this device)K960170Electroencephalograph (Eeg)Moberg Medical, Inc.1996—
+1K080217Component Neuromonitoring SystemMoberg Research, Inc.20081
+1K081551Twin Neurotrac-IiiAstro-Med, Inc.2008—
+2K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc.2010—
+3K120485Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend…Nihon Kohden America, Inc.2012—
+2K173366NicoletOneNatus Neurology Incorporated2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200820
201010
201210
201510
201610
201710
201810
201920
202020
202210
202410
202510
202610
FIG. 1 — Lineage of K960170, 1985–2026Source: 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 GWF? 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 GWF device

  1. #1 K263010 ISIS Headboxes, ISIS Neurostimulator, ISIS…score 17.5 · 19 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? (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.

TypeNumberDeviceApplicantDecidedRecalls
*K914571Neurotrac II
Summary page 2
…All data can be printed for immediate hard copy interpretation. The Neurotrac II-EP Moberg Medical, Inc. (MM designs and manufactures the Neurotrac II monitor (5 10k# K914571A). The Neurotrac Il monitors brain function via the electroencephalogram (EEG). The new Neurotrac II-EP is an enhanced version of…
Moberg Medical, Inc.1992—
*K851300Neuropack 8, Mee-4108
Summary page 1
…€371 Excel Cadwell Laboratories, Inc. *x One of many Models for EP/EEG carried 909 N. Kellogg St. by Cadwell. Kennewick. WA 99336 Neuropack 8 Nihon Kohden America Inc. K851300 8-channel version of Neuropack product 2601 Campus Dr. Irvine. CA 92715 line which includes Neuropack 2, Neuropack 4 Mini **…
Nihon Kohden America, Inc.1985—
*—Viking IV
Named without a submission number
—
*—Excel
Named without a submission number
—

Also cleared against K914571: 3 other devices →

What descends from it? (16)

See all 16

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

NumberDeviceApplicantDecidedDescendants
K080217Component Neuromonitoring SystemMoberg Research, Inc.200814
K081551Twin Neurotrac-IiiAstro-Med, Inc.20088

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?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K080217 (Moberg Research, Inc., 2008) has gone furthest, with 14 descendants of its own.
  • 3 other devices also cite its predicate K914571.

How does its category compare?

All GWF devices

GWF Stimulator, Electrical, Evoked Response: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GWF

1in 2025

2007: 32008: 22009: 52010: 32011: 22012: 42013: 32014: 12015: 22016: 12017: 32019: 12020: 12021: 22022: 22023: 22024: 42025: 12026 (partial year): 3
2007high 5 (2009) · low 0 (2018)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GWF

92in 2024

2007: 69 days median2009: 178 days median2010: 269 days median2012: 230 days median2013: 174 days median2017: 169 days median2024: 92 days median2026 (partial year): 125 days median
2007high 269 (2010) · low 69 (2007)2026

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

Recalls per year · GWF

2so far in 2026, the most since 2007

2012: 12015: 12026 (partial year): 2
2007high 2 (2026) · low 0 (2007)2026

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

Adverse event reports per year · GWF

1,034in 2025

2007: 22008: 12009: 12010: 42011: 102012: 442013: 892014: 252015: 222016: 202017: 602018: 582019: 942020: 652021: 552022: 452023: 1502024: 8542025: 1,034
2007high 1,034 (2025) · low 1 (2008)2025

MAUDE reports naming product code GWF, 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
200736902
20082—01
2009517801
2010326904
20112—010
20124230144
20133174089
20141—025
20152—122
20161—020
20173169060
20180—058
20191—094
20201—065
20212—055
20222—045
20232—0150
20244920854
20251—01,034
202631252—

What is it indicated for?

To record the electroencephalogram (EEG) and evoked potentials (EP’s) over extended periods of time such as during surgery and intensive care stays in order for trained health care professionals to observe changes.

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. “K960170: Electroencephalograph (Eeg).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K960170

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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