510(k) Report

510(k) · Cleared

Cleared

Yuyue Oxygenmax Oxygen Concentrator, Models: 7F-5A/7F-5B

K083559510(k) TraditionalCleared Sep 4, 2009276-day reviewClass II21 CFR 868.5440

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Jiangsu Yuyue Medical Equipment & Supply Co., Ltd. · CAW Generator, Oxygen, Portable

Cleared on Sep 4, 2009 after a 276-day review. The FDA summary names its predicate without a number. 3 later devices descend from it.

Decided
Sep 4, 2009
Review
276 days
Class
Class II
Product code
CAW
Recalls
None
Predicates
0

3 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2014: 1 descendant cleared2022: 1 descendant cleared2020: 1 descendant cleared20052010201520202025
  1. This deviceK083559 Yuyue Oxygenmax Oxygen Concentrator, Models: 7F-5A/7F-5BJiangsu Yuyue Medical Equipment & Supply Co., Ltd. · 2009
  2. Descendant · cites it directly · 2 of its ownK131968 Longfian Oxygen ConcentratorLongfian Scitech Co., Ltd. · 2014
  3. Descendant · 2 generations on · 0 of its ownK213210 Oxygen Concentrator, Model JAY-5AWLongfian Scitech Co., Ltd. · 2022 · Recalled
  4. Descendant · 2 generations on · 0 of its ownK191875 Owgels Oxygen ConcentratorGuangzhou Life Light Electronic Technology Co., Ltd. · 2020

Most influential descendants

Showing 3 of 3 · See all
  • K131968Longfian Oxygen ConcentratorLongfian Scitech Co., Ltd. · 2014 · cites it directly2descendants
  • K213210Oxygen Concentrator, Model JAY-5AWLongfian Scitech Co., Ltd. · 2022 · 2 generations on0descendants
  • K191875Owgels Oxygen ConcentratorGuangzhou Life Light Electronic Technology Co., Ltd. · 2020 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K083559Yuyue Oxygenmax Oxygen Concentrator, Models: 7F-5A/7F-5BJiangsu Yuyue Medical Equipment & Supply Co., Ltd.2009—
+1K131968Longfian Oxygen ConcentratorLongfian Scitech Co., Ltd.2014—
+2K213210Oxygen Concentrator, Model JAY-5AWLongfian Scitech Co., Ltd.20221
+2K191875Owgels Oxygen ConcentratorGuangzhou Life Light Electronic Technology Co., Ltd.2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
202010
202210
FIG. 1 — Lineage of K083559, 2009–2022Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K230052 Inogen Rove 6score 29.9 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*—John Bunn 02 Premier oxygen concentrator
Named without a submission number
—

What descends from it? (3)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K131968Longfian Oxygen ConcentratorLongfian Scitech Co., Ltd.20142

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?

  • Of its descendants, K131968 (Longfian Scitech Co., Ltd., 2014) has gone furthest, with 2 descendants of its own.

How does its category compare?

All CAW devices

CAW Generator, Oxygen, Portable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, this device’s year, is highlighted.

FDA decisions per year · CAW

12in 2025

2007: 62008: 112009: 82010: 52011: 62012: 52013: 22014: 62015: 12016: 12017: 12018: 32019: 22020: 52021: 22022: 42023: 82024: 22025: 122026 (partial year): 6
2007high 12 (2025) · low 1 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CAW

178in 2025

2007: 143 days median2008: 90 days median2009: 193 days median2010: 133 days median2011: 174 days median2012: 148 days median2014: 277 days median2018: 203 days median2020: 224 days median2022: 458 days median2023: 261 days median2025: 178 days median2026 (partial year): 260 days median
2007high 458 (2022) · low 90 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · CAW

1in 2025

2007: 12008: 32009: 22011: 12013: 22014: 22016: 12017: 12019: 22020: 12022: 22024: 5, 1 Class I2025: 1
2007high 5 (2024) · low 0 (2010)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · CAW

611in 2025

2007: 232008: 252009: 432010: 482011: 1672012: 3952013: 2,3092014: 24,5382015: 18,9732016: 3,1672017: 1072018: 1162019: 1202020: 1252021: 1942022: 3052023: 3572024: 4502025: 611
2007high 24,538 (2014) · low 23 (2007)2025

MAUDE reports naming product code CAW, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20076143123
20081190325
20098193243
20105133048
201161741167
201251480395
20132—22,309
20146277224,538
20151—018,973
20161—13,167
20171—1107
201832030116
20192—2120
202052241125
20212—0194
202244582305
202382610357
20242—5 (1)450
2025121781611
202662600—

What is it indicated for?

The YuYue OxygenMax™ 7F-5 Oxygen Concentrator is intended solely for medical use in oxygen therapy programs under the supervision of a physician. It is intended to provide supplemental oxygen to patients with respiratory disorders for use in the home or health care facility. This device is available by prescription only and is not intended to support or sustain life.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K083559: Yuyue Oxygenmax Oxygen Concentrator, Models: 7F-5A/7F-5B.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K083559

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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