510(k) · Cleared
ClearedOxygen concentrator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zhengzhou Olive Electronic Technology Co., Ltd. · CAW Generator, Oxygen, Portable
Cleared on Jul 20, 2023 as substantially equivalent to K150930 (Airsep Corporation, 2015) after a 297-day review. Its family tree reaches back 6 generations to 1994. 3 later devices descend from it.
- Decided
- Jul 20, 2023
- Review
- 297 days
- Class
- Class II
- Product code
- CAW
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 6 generations to K933081 (1994). 8 ancestors in all, the oldest K852650 (1985). 3 later devices descend from it, 1 citing it directly.
- Root · 6 generations backK933081 Oxlife Oxygen ConcentratorOxlife, Inc. · 1994
- 5 generations backK955549 Oxlife Oxygen ConcentratorsOxlife, Inc. · 1996
- 4 generations backK963042 Innosan Travelair S Portable Oxygen Concentrator, Code NO. M407001853Sim Italia S.R.L. · 1996
- 3 generations backK013931 Omni Oxygen System, Model 1000Sequal Technologies, Inc. · 2002 · Recalled
- 2 generations backK083163 Omni 2 Oxygen SystemSequal Technologies, Inc. · 2009 · Recalled
- 1 generation backK150930 Deployable Oxygen Generation System-Smaill (DOGS-S)Airsep Corporation · 2015
- This deviceK222920 Oxygen concentratorZhengzhou Olive Electronic Technology Co., Ltd. · 2023
- Descendant · cites it directly · 2 of its ownK240840 Oxygen Concentrator (ZY-10AB/115)Foshan Care Medical Technology Co., Ltd. · 2024
- Descendant · 2 generations on · 0 of its ownK251534 Oxygen Concentrator (J10A)Foshan Kycare Medical Equipment Co., Ltd. · 2025
- Descendant · 2 generations on · 0 of its ownK251607 Oxygen Concentrator (J5A)Foshan Kycare Medical Equipment Co., Ltd. · 2025
Most influential descendants
Showing 3 of 3 · See all- K240840Oxygen Concentrator (ZY-10AB/115)Foshan Care Medical Technology Co., Ltd. · 2024 · cites it directly2descendants
- K251534Oxygen Concentrator (J10A)Foshan Kycare Medical Equipment Co., Ltd. · 2025 · 2 generations on0descendants
- K251607Oxygen Concentrator (J5A)Foshan Kycare Medical Equipment Co., Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −6 | K933081 | Oxlife Oxygen Concentrator | Oxlife, Inc. | 1994 | — |
| −5 | K955549 | Oxlife Oxygen Concentrators | Oxlife, Inc. | 1996 | — |
| −4 | K963042 | Innosan Travelair S Portable Oxygen Concentrator, Code NO. M407001853 | Sim Italia S.R.L. | 1996 | — |
| −3 | K013931 | Omni Oxygen System, Model 1000 | Sequal Technologies, Inc. | 2002 | 1 |
| −2 | K083163 | Omni 2 Oxygen System | Sequal Technologies, Inc. | 2009 | 1 |
| −1 | K150930 | Deployable Oxygen Generation System-Smaill (DOGS-S) | Airsep Corporation | 2015 | — |
| 0 (this device) | K222920 | Oxygen concentrator | Zhengzhou Olive Electronic Technology Co., Ltd. | 2023 | — |
| +1 | K240840 | Oxygen Concentrator (ZY-10AB/115) | Foshan Care Medical Technology Co., Ltd. | 2024 | — |
| +2 | K251534 | Oxygen Concentrator (J10A) | Foshan Kycare Medical Equipment Co., Ltd. | 2025 | — |
| +2 | K251607 | Oxygen Concentrator (J5A) | Foshan Kycare Medical Equipment Co., Ltd. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 1 | 0 |
| 2001 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in CAW? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
Top candidate predicates for a new CAW device
- #1 K230052 Inogen Rove 6score 29.9 · 2 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (1)
Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K150930 | Deployable Oxygen Generation System-Smaill (DOGS-S)Summary page 5…AirSep Corporation 1 Device: Deployable Oxygen Generator System - Small (DOGS-S) 510(k) number: K150930 5.0 Indication for Use Statement The Oxygen concentrator provide supplemental oxygen to patients with respiratory disorders, by… | 2015 |
What descends from it? (3)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K240840 | Oxygen Concentrator (ZY-10AB/115) | 2024 | 2 |
Has anything in its family been recalled? (0 Class I)
No FDA recall names this device.
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 29 years and passes through 5 companies; a new generation was cleared every 6.2 years on median.
- 2 of the 8 ancestors have a recall of any class.
- Of its descendants, K240840 (Foshan Care Medical Technology Co., Ltd., 2024) has gone furthest, with 2 descendants of its own.
- 2 other devices also cite its predicate K150930.
How does its category compare?
All CAW devicesCAW Generator, Oxygen, Portable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · CAW
12in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · CAW
178in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · CAW
1in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · CAW
611in 2025
MAUDE reports naming product code CAW, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 6 | 143 | 1 | 23 |
| 2008 | 11 | 90 | 3 | 25 |
| 2009 | 8 | 193 | 2 | 43 |
| 2010 | 5 | 133 | 0 | 48 |
| 2011 | 6 | 174 | 1 | 167 |
| 2012 | 5 | 148 | 0 | 395 |
| 2013 | 2 | — | 2 | 2,309 |
| 2014 | 6 | 277 | 2 | 24,538 |
| 2015 | 1 | — | 0 | 18,973 |
| 2016 | 1 | — | 1 | 3,167 |
| 2017 | 1 | — | 1 | 107 |
| 2018 | 3 | 203 | 0 | 116 |
| 2019 | 2 | — | 2 | 120 |
| 2020 | 5 | 224 | 1 | 125 |
| 2021 | 2 | — | 0 | 194 |
| 2022 | 4 | 458 | 2 | 305 |
| 2023 | 8 | 261 | 0 | 357 |
| 2024 | 2 | — | 5 (1) | 450 |
| 2025 | 12 | 178 | 1 | 611 |
| 2026 | 6 | 260 | 0 | — |
What is it indicated for?
The Oxygen concentrator provide supplemental oxygen to patients with respiratory disorders, by separating nitrogen from room air, by way of a molecular sieve, it can be used in the home or health care facility. It is not intended to sustain or support life.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K222920 · printed Nov 5, 2026
Cite this page
510(k) Report. “K222920: Oxygen concentrator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K222920
Report an extraction error
Are you the manufacturer?
Record history
- FDA decision record loaded May 2, 2026
- Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026