510(k) Report

510(k) · Cleared

Cleared

Centrox, Reliant, Ultrox, as-D+, as-E, as-G, as-J, as-K and as-L

K101154510(k) TraditionalCleared Mar 28, 2011339-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

Airsep Corp. · CAW Generator, Oxygen, Portable

Cleared on Mar 28, 2011 as substantially equivalent to K960309 (Airsep Corp., 1997) and 1 other predicate after a 339-day review. Its family tree reaches back 8 generations to 1994.

Decided
Mar 28, 2011
Review
339 days
Class
Class II
Product code
CAW
Recalls
None
Predicates
2

Its longest line of descent runs back 8 generations to K933081 (1994). 12 ancestors in all, the oldest K904087 (1990). No later device cites it as a predicate yet.

  1. Root · 8 generations backK933081 Oxlife Oxygen ConcentratorOxlife, Inc. · 1994
  2. 7 generations backK955549 Oxlife Oxygen ConcentratorsOxlife, Inc. · 1996
  3. 6 generations backK011844 Merits Health Products Oxygen ConcentratorsMerits Health Products., Inc. · 2001
  4. 5 generations backK014078 ON Site Gas Systems Portable Oxygen Generator SystemOn Site Gas Systems, Inc. · 2002
  5. 4 generations backK020362 P.O.G.S. 3.3 Portable Oxygen Generator SystemOn Site Gas Systems, Inc. · 2002
  6. 3 generations backK030920 POGS 33On Site Gas Systems, Inc. · 2004
  7. 2 generations backK041664 Portable Oxygen Generation System: Pogs 33COn Site Gas Systems, Inc. · 2004
  8. 1 generation backK063454 Pogs, Model 33COn Site Gas Systems, Inc. · 2007
  9. This deviceK101154 Centrox, Reliant, Ultrox, as-D+, as-E, as-G, as-J, as-K and as-LAirsep Corp. · 2011
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K933081Oxlife Oxygen ConcentratorOxlife, Inc.1994—
−7K955549Oxlife Oxygen ConcentratorsOxlife, Inc.1996—
−6K011844Merits Health Products Oxygen ConcentratorsMerits Health Products., Inc.2001—
−5K014078ON Site Gas Systems Portable Oxygen Generator SystemOn Site Gas Systems, Inc.2002—
−4K020362P.O.G.S. 3.3 Portable Oxygen Generator SystemOn Site Gas Systems, Inc.2002—
−3K030920POGS 33On Site Gas Systems, Inc.2004—
−2K041664Portable Oxygen Generation System: Pogs 33COn Site Gas Systems, Inc.2004—
−1K063454Pogs, Model 33COn Site Gas Systems, Inc.2007—
0 (this device)K101154Centrox, Reliant, Ultrox, as-D+, as-E, as-G, as-J, as-K and as-LAirsep Corp.2011—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199720
200210
FIG. 1 — Lineage of K101154, 1994–2011Source: 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? (2)

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
*K960309Airsep Newlife Dual Six Oxygen Concentrator (Modification)
Summary page 1
…Therapy Devices Predicate Devices NewLife Intensity from AirSep Corporation Product code: CAW 5 10(k) number: K960309 Portable Oxygen Generator with Medical Air (PO05 33C) from On Site Gas Systems, Inc.…
Airsep Corp.1997—
*K063454Pogs, Model 33C
Summary page 1
…Portable Oxygen Generator with Medical Air (PO05 33C) from On Site Gas Systems, Inc. Product code: CAW 5 10(k) number: K063454 Airsep Corporation 401 Creekside Drive, Buffalo, NY 14228. Phone 716 691 0202 fax 716 691 4141…
On Site Gas Systems, Inc.2007—

Also cleared against K960309: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

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 17 years and passes through 4 companies; a new generation was cleared every 2.1 years on median.
  • None of the 12 ancestors has a recall.
  • 1 other device also cites its predicate K960309.

How does its category compare?

All CAW devices

CAW Generator, Oxygen, Portable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, 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 intended use of the Device is to generate and deliver USP 93% oxygen for supplemental oxygen use only or filling cylinders. The device must not be used for or with any life-supporting applications.

The Device is intended to be used only by trained personnel in hospitals, health care facilities or remote locations where bottled oxygen is not readily available.

The instruction manual of the device recommends an alternate source of supplemental oxygen in the event of a power outage, alarm condition, or mechanical failure.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K101154: Centrox, Reliant, Ultrox, as-D+, as-E, as-G, as-J, as-K and as-L.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K101154

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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