Devices descending from K974587
9 later devices reach H2O through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K033978 | ADAM | Astro-Med, Inc. | 2004 | 6 | — |
| +1 | K992291 | H20- Tethered Option | Grass-Telefactor Product Group | 1999 | 8 | — |
| +2 | K050425 | Aura-PSG | Astro-Med, Inc. | 2005 | 5 | — |
| +2 | K994142 | Grass TS3201/6401 Eeg Amplifier System | Grass Instrument Co. | 2000 | 6 | — |
| +3 | K071782 | Micromed Brain Spy Plus, Embia Titanium Devices | Micromed S.P.A. | 2008 | 4 | — |
| +4 | K171384 | Micromed BRAIN QUICK system | Micromed S.P.A. | 2018 | 0 | 1 |
| +4 | K122196 | Cervello Bio-Potential Signal Acquistion System Product Family | Blackrock Neuromed, LLC | 2013 | 3 | — |
| +5 | K133995 | Neuron-Spectrum-4/P with Neuron-Spectrum.Net Software | Neurosoft, Ltd. | 2015 | 1 | — |
| +6 | K220254 | Neuron-Spectrum-AM with Neuron-Spectrum.NET Software | Neurosoft, Ltd. | 2022 | 0 | — |