Devices descending from K120785
9 later devices reach Omni 3 Oxygen System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K242718 | Portable Oxygen Concentrator (P2-TOC) | Qingdao Kingon Medical Science and Technology Co., Ltd. | 2025 | 1 | — |
| +1 | K162877 | VOCSN Unified Respiratory System | Ventec Life Systems, Inc. | 2017 | 6 | Class I |
| +2 | K252268 | V series portable oxygen concentrator (V5, V5C, V6, V6C) | Shenzhen Harveymed Technology Co., Ltd. | 2025 | 0 | — |
| +2 | K181166 | Trilogy Evo | Respironics, Inc. | 2019 | 5 | Class I |
| +3 | K232365 | Vivo 45 LS | Oconnell Regulatory Consultants, Inc. | 2025 | 0 | — |
| +3 | K241135 | RESPOND (R) Ventilator | Corvent Medical, Inc. | 2024 | 0 | — |
| +3 | K240807 | VM-2000 | Ventis Medical, Inc. | 2024 | 0 | — |
| +3 | K193586 | Vivo 45 LS | Breas Medical AB | 2021 | 2 | Class I |
| +4 | K233452 | Vivo 45 LS | Breas Medical AB | 2025 | 0 | 1 |