Devices descending from K920840
4 later devices reach Otovent through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K073401 | Earpopper, Model EP-2000, EP-2100, EP-3000 | Micromedics, Inc. | 2008 | 3 | — |
| +2 | K203754 | Eustachi Ear Pressure Relief Device | Exercore, LLC | 2021 | 2 | — |
| +3 | K230502 | Ear Pressure Relief Device (Model:ER813B) | Ningbo Albert Novosino Co., Ltd. | 2023 | 1 | — |
| +4 | K252751 | Earflo (EF001) | Earflo, Inc. | 2026 | 0 | — |