510(k) · Cleared
ClearedBeehive-64 or Beehive-32, Digital Eeg Recording
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Grass-Telefactor Product Group · EEG Heat Source For Bleaching Teeth
Cleared on Apr 14, 1989 after a 137-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 12 later devices descend from it.
- Decided
- Apr 14, 1989
- Review
- 137 days
- Class
- Class I
- Product code
- EEG
- Recalls
- None
- Predicates
- 0
12 later devices descend from it, 1 citing it directly.
- This deviceK884937 Beehive-64 or Beehive-32, Digital Eeg RecordingGrass-Telefactor Product Group · 1989
- Descendant · cites it directly · 11 of its ownK972202 Deeg-LiteGrass-Telefactor Product Group · 1997
- Descendant · 2 generations on · 9 of its ownK974587 H2OGrass-Telefactor Product Group · 1998
- Descendant · 3 generations on · 8 of its ownK992291 H20- Tethered OptionGrass-Telefactor Product Group · 1999
- Descendant · 3 generations on · 6 of its ownK033978 ADAMAstro-Med, Inc. · 2004
- Descendant · 4 generations on · 6 of its ownK994142 Grass TS3201/6401 Eeg Amplifier SystemGrass Instrument Co. · 2000
Showing 5 of 12 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 12 · See all- K972202Deeg-LiteGrass-Telefactor Product Group · 1997 · cites it directly11descendants
- K974587H2OGrass-Telefactor Product Group · 1998 · 2 generations on9descendants
- K992291H20- Tethered OptionGrass-Telefactor Product Group · 1999 · 3 generations on8descendants
- K033978ADAMAstro-Med, Inc. · 2004 · 3 generations on6descendants
- K994142Grass TS3201/6401 Eeg Amplifier SystemGrass Instrument Co. · 2000 · 4 generations on6descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K884937 | Beehive-64 or Beehive-32, Digital Eeg Recording | Grass-Telefactor Product Group | 1989 | — |
| +1 | K972202 | Deeg-Lite | Grass-Telefactor Product Group | 1997 | — |
| +2 | K974587 | H2O | Grass-Telefactor Product Group | 1998 | — |
| +3 | K992291 | H20- Tethered Option | Grass-Telefactor Product Group | 1999 | — |
| +3 | K033978 | ADAM | Astro-Med, Inc. | 2004 | — |
| +4 | K994142 | Grass TS3201/6401 Eeg Amplifier System | Grass Instrument Co. | 2000 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2008 | 1 | 0 |
| 2013 | 1 | 0 |
| 2015 | 1 | 0 |
| 2018 | 1 | 0 |
| 2022 | 1 | 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 EEG? 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
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? (12)
See all 121 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K972202 | Deeg-Lite | 1997 | 11 |
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, K972202 (Grass-Telefactor Product Group, 1997) has gone furthest, with 11 descendants of its own.
How does its category compare?
All EEG devicesEEG Heat Source For Bleaching Teeth: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · EEG
2in 2012
2026 to Oct 25, outlined.
Median 510(k) review, days · EEG
Too few EEG 510(k)s in any year since 2007 to give a median.
Recalls per year · EEG
No recall names EEG since 2007.
Adverse event reports per year · EEG
7in 2025
MAUDE reports naming product code EEG, 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 | — | 0 | 3 |
| 2008 | 0 | — | 0 | 3 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 3 |
| 2011 | 0 | — | 0 | 7 |
| 2012 | 2 | — | 0 | 2 |
| 2013 | 0 | — | 0 | 2 |
| 2014 | 0 | — | 0 | 7 |
| 2015 | 0 | — | 0 | 1 |
| 2016 | 0 | — | 0 | 8 |
| 2017 | 0 | — | 0 | 10 |
| 2018 | 0 | — | 0 | 6 |
| 2019 | 0 | — | 0 | 3 |
| 2020 | 0 | — | 0 | 6 |
| 2021 | 0 | — | 0 | 6 |
| 2022 | 0 | — | 0 | 4 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 7 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K884937 · printed Nov 6, 2026
Cite this page
510(k) Report. “K884937: Beehive-64 or Beehive-32, Digital Eeg Recording.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K884937
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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