510(k) Report

510(k) · Cleared

Cleared

Geodesic Eeg System, Model 200

K012079510(k) TraditionalCleared Sep 19, 200178-day reviewClass II21 CFR 882.1400

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

Electrical Geodesics, Incorporated · GWQ Full-Montage Standard Electroencephalograph

Cleared on Sep 19, 2001 as substantially equivalent to K973883 (Bio-Logic Systems Corp., 1998) and 1 other predicate after a 78-day review. Its family tree reaches back 2 generations to 1994. 1 of the 8 devices in its family, counting itself, has a Class I recall. 4 later devices descend from it.

Decided
Sep 19, 2001
Review
78 days
Class
Class II
Product code
GWQ
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K933233 (1994). 3 ancestors in all, the oldest K780045 (1978). 4 later devices descend from it, 2 citing it directly. 1 of the 8 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1978: 1 other ancestor2007: 1 descendant cleared2004: 1 descendant cleared2012: 1 descendant cleared2014: 1 descendant cleared, 1 with a Class I recall1K933233 · Ceegraph, Modification · Bio-Logic Systems Corp. · 1994K973883 · Bio-Logic Ceegraph 128-Channel Recording System · Bio-Logic Systems Corp. · 199819801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 2 descendants, 1 with a Class I recall1 K973883 · Bio-Logic Ceegraph 128-Channel Recording System · Bio-Logic Systems Corp. · 1998K933233 · Ceegraph, Modification · Bio-Logic Systems Corp. · 19940
  1. Root · 2 generations backK933233 Ceegraph, ModificationBio-Logic Systems Corp. · 1994
  2. 1 generation backK973883 Bio-Logic Ceegraph 128-Channel Recording SystemBio-Logic Systems Corp. · 1998
  3. This deviceK012079 Geodesic Eeg System, Model 200Electrical Geodesics, Incorporated · 2001
  4. Descendant · cites it directly · 1 of its ownK063797 Geodesic Eeg System 300Electrical Geodesics, Incorporated · 2007
  5. Descendant · cites it directly · 1 of its ownK033399 Geodesic Eeg System Series 100Electrical Geodesics, Incorporated · 2004
  6. Descendant · 2 generations on · 0 of its ownK131882 Geodesiceeg System 400 Series (Ges 400)Electrical Geodesics, Inc. · 2014 · Recalled (Class I)
  7. Descendant · 2 generations on · 0 of its ownK112353 Geodesic Eeg Mobile 100 (Gem 100)Electrical Geodesics, Inc. · 2012

Class I recalls in this family

Most influential descendants

Showing 4 of 4 · See all
  • K063797Geodesic Eeg System 300Electrical Geodesics, Incorporated · 2007 · cites it directly1descendant
  • K033399Geodesic Eeg System Series 100Electrical Geodesics, Incorporated · 2004 · cites it directly1descendant
  • K131882Geodesiceeg System 400 Series (Ges 400)Electrical Geodesics, Inc. · 2014 · 2 generations on0descendants
  • K112353Geodesic Eeg Mobile 100 (Gem 100)Electrical Geodesics, Inc. · 2012 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K933233Ceegraph, ModificationBio-Logic Systems Corp.1994—
−1K973883Bio-Logic Ceegraph 128-Channel Recording SystemBio-Logic Systems Corp.1998—
0 (this device)K012079Geodesic Eeg System, Model 200Electrical Geodesics, Incorporated2001—
+1K063797Geodesic Eeg System 300Electrical Geodesics, Incorporated2007—
+1K033399Geodesic Eeg System Series 100Electrical Geodesics, Incorporated2004—
+2K131882Geodesiceeg System 400 Series (Ges 400)Electrical Geodesics, Inc.2014Class I
+2K112353Geodesic Eeg Mobile 100 (Gem 100)Electrical Geodesics, Inc.2012—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200710
201210
201411
FIG. 1 — Lineage of K012079, 1994–2014Source: 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.

1 device in this family has a Class I recall. 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 GWQ device

  1. #1 K260455 New Wave Systemscore 13.7 · 10 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (2)

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
*K973883Bio-Logic Ceegraph 128-Channel Recording System
Summary page 1
…For the Geodesic EEG System it is the Bio-Logic Ceegraph 128-Channel Recording System submitted by Bio-Logic Systems Corporation and cleared for marketing under 510(k) *K973883. For the Geodesic Sensor Net, the predicate device is the Electro-Cap VII System submitted by Electro-Cap Inc. and cleared for ma…
Bio-Logic Systems Corp.1998—
*K780045Electrode Cap
Summary page 1
…er 510(k) *K973883. For the Geodesic Sensor Net, the predicate device is the Electro-Cap VII System submitted by Electro-Cap Inc. and cleared for marketing under 510(k) “K780045. Description of the device: The Geodesic EEG System is a digital electroencephalography system (EEG) with a dense sensor array o…
Electro-Cap Intl., Inc.1978—

Also cleared against K973883: 1 other device →

What descends from it? (4)

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

NumberDeviceApplicantDecidedDescendants
K063797Geodesic Eeg System 300Electrical Geodesics, Incorporated20071
K033399Geodesic Eeg System Series 100Electrical Geodesics, Incorporated20041

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K131882Geodesiceeg System 400 Series (Ges 400)Electrical Geodesics, Inc. · 2014 · 2 generations on · ◆ in the 2014 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 7 years and passes through 2 companies; a new generation was cleared every 4.0 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K063797 (Electrical Geodesics, Incorporated, 2007) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K973883.

How does its category compare?

All GWQ devices

GWQ Full-Montage Standard Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · GWQ

1in 2024

2007: 12008: 22010: 32011: 42012: 42013: 22014: 22015: 32016: 32017: 52018: 82020: 62022: 32023: 62024: 12026 (partial year): 2
2007high 8 (2018) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GWQ

137in 2023

2010: 73 days median2011: 220 days median2012: 208 days median2015: 276 days median2016: 50 days median2017: 181 days median2018: 150 days median2020: 216 days median2022: 216 days median2023: 137 days median
2007high 276 (2015) · low 50 (2016)2026

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

Recalls per year · GWQ

1in 2020

2007: 52008: 22009: 12010: 12015: 22019: 22020: 12026 (partial year): 1
2007high 5 (2007) · low 0 (2011)2026

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

Adverse event reports per year · GWQ

13in 2025

2007: 112008: 82009: 72010: 122011: 62012: 92013: 42014: 72015: 132016: 282017: 172018: 152019: 162020: 302021: 202022: 162023: 202024: 172025: 13
2007high 30 (2020) · low 4 (2013)2025

MAUDE reports naming product code GWQ, 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
20071—511
20082—28
20090—17
2010373112
2011422006
2012420809
20132—04
20142—07
20153276213
2016350028
20175181017
20188150015
20190—216
20206216130
20210—020
20223216016
20236137020
20241—017
20250—013
20262—1—

What is it indicated for?

The Geodesic EEG System is intended to measure and record the electrical activity of the patient’s brain. It can be used on adults, children, and infants.

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. “K012079: Geodesic Eeg System, Model 200.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K012079

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026