Devices descending from K022121
9 later devices reach PSG Input Box, Model JE-912AK through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K120888 | PSG-1100 Sleep Diagnostic System | Nihon Kohden Corp. | 2012 | 6 | 1 |
| +1 | K062943 | Polysmith Sleep System, Model NTI5498 | Neurotronics, Inc. | 2007 | 7 | — |
| +1 | K050833 | Electrode Junction Box, Model JE-921A | Nihon Kohden America, Inc. | 2005 | 7 | — |
| +2 | K142774 | Polysmith Sleep System | Neurotronics, Inc. | 2015 | 4 | — |
| +2 | K131415 | Live View Panel (LVP) | Neurotronics, Inc. | 2013 | 0 | — |
| +3 | K181709 | Serenity Piezo Sensor, Serenity Thermocouple Sensor | Neurotronics, Inc. | 2018 | 0 | — |
| +3 | K173868 | Serenity Body Position Sensor, Serenity RIP Sensors | Neurotronics, Inc. | 2018 | 1 | — |
| +3 | K161650 | Polysmith Sleep System, Model NTI7593 | Neurotronics, Inc. | 2017 | 0 | — |
| +4 | K251480 | PV01 PVDF Effort Sensor | Neurotronics, LLC | 2025 | 0 | — |