510(k) Report

510(k) · Cleared

Cleared

Kingon P2 Oxygen Concentrator

K190304510(k) TraditionalCleared Feb 29, 2020382-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

Qingdao Kingon Medical Science and Technology Co. · CAW Generator, Oxygen, Portable

Cleared on Feb 29, 2020 as substantially equivalent to K111885 (Respironics, Inc., 2011) after a 382-day review. Its family tree reaches back 1 generation to 2011. 2 later devices descend from it.

Decided
Feb 29, 2020
Review
382 days
Class
Class II
Product code
CAW
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K111885 (2011). 2 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2025: 2 descendants clearedK111885 · Simplygo Portable Oxygen Concentrator · Respironics, Inc. · 20112010201520202025
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 1 descendant K111885 · Simplygo Portable Oxygen Concentrator · Respironics, Inc. · 20110
  1. Root · 1 generation backK111885 Simplygo Portable Oxygen ConcentratorRespironics, Inc. · 2011
  2. This deviceK190304 Kingon P2 Oxygen ConcentratorQingdao Kingon Medical Science and Technology Co. · 2020
  3. Descendant · cites it directly · 1 of its ownK242718 Portable Oxygen Concentrator (P2-TOC)Qingdao Kingon Medical Science and Technology Co., Ltd. · 2025
  4. Descendant · 2 generations on · 0 of its ownK252268 V series portable oxygen concentrator (V5, V5C, V6, V6C)Shenzhen Harveymed Technology Co., Ltd. · 2025

Most influential descendants

Showing 2 of 2 · See all
  • K242718Portable Oxygen Concentrator (P2-TOC)Qingdao Kingon Medical Science and Technology Co., Ltd. · 2025 · cites it directly1descendant
  • K252268V series portable oxygen concentrator (V5, V5C, V6, V6C)Shenzhen Harveymed Technology Co., Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K111885Simplygo Portable Oxygen ConcentratorRespironics, Inc.2011—
0 (this device)K190304Kingon P2 Oxygen ConcentratorQingdao Kingon Medical Science and Technology Co.2020—
+1K242718Portable Oxygen Concentrator (P2-TOC)Qingdao Kingon Medical Science and Technology Co., Ltd.2025—
+2K252268V series portable oxygen concentrator (V5, V5C, V6, V6C)Shenzhen Harveymed Technology Co., Ltd.2025—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202520
FIG. 1 — Lineage of K190304, 2011–2025Source: 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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K111885Simplygo Portable Oxygen Concentrator
Summary page 4
…SimplyGo Respironics Portable SimplyGo K111885 Oxygen Oxygen Generator…
Respironics, Inc.2011—

Also cleared against K111885: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K242718Portable Oxygen Concentrator (P2-TOC)Qingdao Kingon Medical Science and Technology Co., Ltd.20251

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?

  • Its one ancestor has no recall.
  • Of its descendants, K242718 (Qingdao Kingon Medical Science and Technology Co., Ltd., 2025) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K111885.

How does its category compare?

All CAW devices

CAW Generator, Oxygen, Portable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, 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 Kingon P2 is for prescription use by patients requiring high concentrations of oxygen on a supplemental basis. It is small, portable, and is capable of continuous use in the home, institutional, and travel / mobile environments.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K190304: Kingon P2 Oxygen Concentrator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K190304

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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