510(k) · Cleared
ClearedDiscovery 24
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Brainmaster Technologies, Inc. · GWQ Full-Montage Standard Electroencephalograph
Cleared on Jan 26, 2016 as substantially equivalent to K941551 (Cleveland Clinic Foundation, 1995) after a 334-day review. Its family tree reaches back 1 generation to 1995. 1 later device descends from it.
- Decided
- Jan 26, 2016
- Review
- 334 days
- Class
- Class II
- Product code
- GWQ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K941551 (1995). 1 later device descends from it, 1 citing it directly.
Most influential descendants
Showing 1 of 1 · See all- K173460NeuroEEGMemory MD, Inc. · 2018 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K941551 | The Vanguard System | Cleveland Clinic Foundation | 1995 | — |
| 0 (this device) | K150498 | Discovery 24 | Brainmaster Technologies, Inc. | 2016 | — |
| +1 | K173460 | NeuroEEG | Memory MD, Inc. | 2018 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2018 | 1 | 0 |
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 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? (1)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K941551 | The Vanguard SystemSummary page 4…4. Classification: Regulation: 21 CFR 882.1400 Product Code: GWQ 5. Predicate Device Information: The Vanguard System, k941551 6. Device Description: The BrainMaster™ Discovery 24 are two-channel, four- channel, and 24-channel electroph… | 1995 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K173460 | NeuroEEG | 2018 | 0 |
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?
- Its one ancestor has no recall.
- Of its descendants, K173460 (Memory MD, Inc., 2018) has gone furthest, with 0 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. 2016, this device’s year, is highlighted.
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 | — |
What is it indicated for?
Indicated for prescription use to acquire, record, transmit, and display physiological and data for electroencephalograph studies of patients of all ages.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K150498 · printed Nov 6, 2026
Cite this page
510(k) Report. “K150498: Discovery 24.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K150498
Report an extraction error
Are you the manufacturer?
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