Devices descending from K162433
8 later devices reach GCE Zen-O Portable Oxygen Concentrator through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K210371 | Portable Oxygen Concentrator, model: P2-E6 | Qingdao Kingon Medical Science and Technology Co., Ltd. | 2022 | 6 | — |
| +1 | K180837 | CONTEC Oxygen Concentrator | Contec Medical System Co., Ltd. | 2019 | 0 | — |
| +2 | K243833 | Portable oxygen concentrator (JAY-1000P) | Longfian Scitech Co., Ltd. | 2025 | 0 | — |
| +2 | K242718 | Portable Oxygen Concentrator (P2-TOC) | Qingdao Kingon Medical Science and Technology Co., Ltd. | 2025 | 1 | — |
| +2 | K230702 | Portable Oxygen Concentrator (Model: P2-S4, P2-S3,P2-K4,P2-K3) | Qingdao Kingon Medical Science and Technology Co., Ltd. | 2023 | 3 | — |
| +2 | K223379 | Portable Oxygen Concentrator (Model: P2-E7, P2-E) | Qingdao Kingon Medical Science and Technology Co., Ltd. | 2023 | 2 | — |
| +3 | K252268 | V series portable oxygen concentrator (V5, V5C, V6, V6C) | Shenzhen Harveymed Technology Co., Ltd. | 2025 | 0 | — |
| +3 | K242736 | Portable Oxygen Concentrator (Spirit-3) | Jiangsu Yuyue Medical Equipment & Supply Co., Ltd. | 2025 | 0 | — |