510(k) Report

510(k) · Cleared

Cleared

Brain Function Mapping Option for Pathf

K843598510(k) TraditionalCleared Apr 11, 1985211-day reviewClass II21 CFR 882.1845

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

Nicolet Biomedical Instruments · GWK Conditioner, Signal, Physiological

Cleared on Apr 11, 1985 after a 211-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 31 later devices descend from it.

Decided
Apr 11, 1985
Review
211 days
Class
Class II
Product code
GWK
Recalls
None
Predicates
0

31 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2004: 1 descendant cleared1998: 2 descendants cleared2020: 2 descendants cleared2014: 1 descendant cleared2005: 1 descendant cleared2018: 3 descendants cleared2023: 3 descendants cleared2012: 2 descendants cleared2009: 1 descendant cleared2024: 2 descendants cleared2016: 2 descendants cleared2013: 1 descendant cleared2010: 1 descendant cleared2017: 1 descendant cleared2022: 1 descendant cleared2015: 1 descendant cleared2025: 2 descendants cleared2019: 2 descendants cleared2026: 2 descendants cleared1990200020102020
  1. This deviceK843598 Brain Function Mapping Option for PathfNicolet Biomedical Instruments · 1985
  2. Descendant · cites it directly · 29 of its ownK974748 Neurometric Analysis SystemNxlink, Ltd. · 1998
  3. Descendant · cites it directly · 21 of its ownK041263 Neuroguide Analysis SystemApplied Neuroscience, Inc. · 2004
  4. Descendant · 2 generations on · 9 of its ownK092039 Identevent, Version 1.0GOptima Neuroscience, Inc. · 2009
  5. Descendant · 3 generations on · 7 of its ownK092573 Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010
  6. Descendant · 2 generations on · 6 of its ownK161068 Ahead 300Brainscope Company, Inc. · 2016

Showing 5 of 31 descendants. See all descendants

Descendants cleared per year

1998: 22004: 12005: 12009: 12010: 12012: 22013: 12014: 12015: 12016: 22017: 12018: 32019: 22020: 22022: 12023: 32024: 22025: 22026: 2
1998high 3 (2018) · low 0 (1999)2026

Most influential descendants

Showing 5 of 31 · See all
  • K974748Neurometric Analysis SystemNxlink, Ltd. · 1998 · cites it directly29descendants
  • K041263Neuroguide Analysis SystemApplied Neuroscience, Inc. · 2004 · cites it directly21descendants
  • K092039Identevent, Version 1.0GOptima Neuroscience, Inc. · 2009 · 2 generations on9descendants
  • K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010 · 3 generations on7descendants
  • K161068Ahead 300Brainscope Company, Inc. · 2016 · 2 generations on6descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K843598Brain Function Mapping Option for PathfNicolet Biomedical Instruments1985—
+1K974748Neurometric Analysis SystemNxlink, Ltd.1998—
+1K041263Neuroguide Analysis SystemApplied Neuroscience, Inc.2004—
+2K092039Identevent, Version 1.0GOptima Neuroscience, Inc.2009—
+3K092573Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc.2010—
+2K161068Ahead 300Brainscope Company, Inc.2016—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199820
200410
200510
200910
201010
201220
201310
201410
201510
201620
201710
201830
201920
202020
202210
202330
202420
202520
202620
FIG. 1 — Lineage of K843598, 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in GWK? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (31)

See all 31

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

NumberDeviceApplicantDecidedDescendants
K974748Neurometric Analysis SystemNxlink, Ltd.199829
K041263Neuroguide Analysis SystemApplied Neuroscience, Inc.200421
K980477Image Vue EegSam Technology, Inc.19980

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?

  • Of its descendants, K974748 (Nxlink, Ltd., 1998) has gone furthest, with 29 descendants of its own.

How does its category compare?

All GWK devices

GWK Conditioner, Signal, Physiological: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GWK

FDA has decided no GWK device since 2007.

Median 510(k) review, days · GWK

Too few GWK 510(k)s in any year since 2007 to give a median.

Recalls per year · GWK

No recall names GWK since 2007.

Adverse event reports per year · GWK

1in 2013

2013: 1
2007high 1 (2013) · low 0 (2007)2025

MAUDE reports naming product code GWK, 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
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—01
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K843598: Brain Function Mapping Option for Pathf.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K843598

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026