510(k) · Cleared
ClearedTeca 1A96, 1A97 and 1A98 Electroencephalographs
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Teca, Inc. · GWQ Full-Montage Standard Electroencephalograph
Cleared on Mar 23, 1989 after a 30-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 22 later devices descend from it.
- Decided
- Mar 23, 1989
- Review
- 30 days
- Class
- Class II
- Product code
- GWQ
- Recalls
- None
- Predicates
- 0
22 later devices descend from it, 1 citing it directly.
- This deviceK890881 Teca 1A96, 1A97 and 1A98 ElectroencephalographsTeca, Inc. · 1989
- Descendant · cites it directly · 21 of its ownK041263 Neuroguide Analysis SystemApplied Neuroscience, Inc. · 2004
- Descendant · 2 generations on · 9 of its ownK092039 Identevent, Version 1.0GOptima Neuroscience, Inc. · 2009
- Descendant · 3 generations on · 7 of its ownK092573 Nihon Kohden QP-160AK Eeg Trend ProgramNihon Kohden America, Inc. · 2010
- Descendant · 2 generations on · 5 of its ownK120485 Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa…Nihon Kohden America, Inc. · 2012
- Descendant · 2 generations on · 4 of its ownK171414 qEEG-ProBrainmaster Technologies, Inc. · 2018
Showing 5 of 22 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 22 · See all- 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
- K120485Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend and FFT PNihon Kohden America, Inc. · 2012 · 2 generations on5descendants
- K171414qEEG-ProBrainmaster Technologies, Inc. · 2018 · 2 generations on4descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K890881 | Teca 1A96, 1A97 and 1A98 Electroencephalographs | Teca, Inc. | 1989 | — |
| +1 | K041263 | Neuroguide Analysis System | Applied Neuroscience, Inc. | 2004 | — |
| +2 | K092039 | Identevent, Version 1.0G | Optima Neuroscience, Inc. | 2009 | — |
| +3 | K092573 | Nihon Kohden QP-160AK Eeg Trend Program | Nihon Kohden America, Inc. | 2010 | — |
| +2 | K120485 | Nihon Kohden QP-160 AK Trend Program with the Addition of Dsa Asymmetry Trend… | Nihon Kohden America, Inc. | 2012 | — |
| +2 | K171414 | qEEG-Pro | Brainmaster Technologies, Inc. | 2018 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2012 | 2 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2020 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
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 GWQ? 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 K260455 New Wave Systemscore 13.7 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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? (22)
See all 221 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K041263 | Neuroguide Analysis System | 2004 | 21 |
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, K041263 (Applied Neuroscience, Inc., 2004) has gone furthest, with 21 descendants of its own.
How does its category compare?
All GWQ devicesGWQ Full-Montage Standard Electroencephalograph: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · GWQ
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · GWQ
137in 2023
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GWQ
1in 2020
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · GWQ
13in 2025
MAUDE reports naming product code GWQ, 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 | 1 | — | 5 | 11 |
| 2008 | 2 | — | 2 | 8 |
| 2009 | 0 | — | 1 | 7 |
| 2010 | 3 | 73 | 1 | 12 |
| 2011 | 4 | 220 | 0 | 6 |
| 2012 | 4 | 208 | 0 | 9 |
| 2013 | 2 | — | 0 | 4 |
| 2014 | 2 | — | 0 | 7 |
| 2015 | 3 | 276 | 2 | 13 |
| 2016 | 3 | 50 | 0 | 28 |
| 2017 | 5 | 181 | 0 | 17 |
| 2018 | 8 | 150 | 0 | 15 |
| 2019 | 0 | — | 2 | 16 |
| 2020 | 6 | 216 | 1 | 30 |
| 2021 | 0 | — | 0 | 20 |
| 2022 | 3 | 216 | 0 | 16 |
| 2023 | 6 | 137 | 0 | 20 |
| 2024 | 1 | — | 0 | 17 |
| 2025 | 0 | — | 0 | 13 |
| 2026 | 2 | — | 1 | — |
https://510kreport.com/device/K890881 · printed Nov 6, 2026
Cite this page
510(k) Report. “K890881: Teca 1A96, 1A97 and 1A98 Electroencephalographs.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K890881
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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