510(k) Report

510(k) · Cleared

Cleared

Integra Oxygen Concentrators Model 6400-OM

K003472510(k) TraditionalCleared Jun 4, 2001208-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

Sequal Technologies, Inc. · CAW Generator, Oxygen, Portable

Cleared on Jun 4, 2001 after a 208-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 4 of the 47 devices in its family, counting itself, have a Class I recall. 46 later devices descend from it.

Decided
Jun 4, 2001
Review
208 days
Class
Class II
Product code
CAW
Recalls
None
Predicates
0

46 later devices descend from it, 4 citing it directly. 4 of the 47 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 2009: 2 descendants cleared2004: 2 descendants cleared2002: 2 descendants cleared2018: 4 descendants cleared2014: 3 descendants cleared2008: 3 descendants cleared2012: 1 descendant cleared2010: 3 descendants cleared, 1 with a Class I recall12017: 3 descendants cleared, 1 with a Class I recall12025: 7 descendants cleared2007: 2 descendants cleared2011: 1 descendant cleared2006: 2 descendants cleared2005: 1 descendant cleared2015: 2 descendants cleared2023: 2 descendants cleared2019: 2 descendants cleared, 1 with a Class I recall12021: 1 descendant cleared, 1 with a Class I recall12024: 3 descendants cleared200020052010201520202025
  1. This deviceK003472 Integra Oxygen Concentrators Model 6400-OMSequal Technologies, Inc. · 2001
  2. Descendant · cites it directly · 38 of its ownK013931 Omni Oxygen System, Model 1000Sequal Technologies, Inc. · 2002 · Recalled
  3. Descendant · 2 generations on · 18 of its ownK083163 Omni 2 Oxygen SystemSequal Technologies, Inc. · 2009 · Recalled
  4. Descendant · 2 generations on · 9 of its ownK120785 Omni 3 Oxygen SystemCaire, Inc. · 2012
  5. Descendant · 2 generations on · 7 of its ownK093261 MOVESThornhill Research, Inc. · 2010 · Recalled (Class I)
  6. Descendant · 3 generations on · 6 of its ownK162877 VOCSN Unified Respiratory SystemVentec Life Systems, Inc. · 2017 · Recalled (Class I)

Showing 5 of 46 descendants. See all descendants

Descendants cleared per year

2002: 22004: 22005: 12006: 22007: 22008: 32009: 22010: 32011: 12012: 12014: 32015: 22017: 32018: 42019: 22021: 12023: 22024: 32025: 7
2002high 7 (2025) · low 0 (2003)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 46 · See all
  • K013931Omni Oxygen System, Model 1000Sequal Technologies, Inc. · 2002 · cites it directly38descendants
  • K083163Omni 2 Oxygen SystemSequal Technologies, Inc. · 2009 · 2 generations on18descendants
  • K120785Omni 3 Oxygen SystemCaire, Inc. · 2012 · 2 generations on9descendants
  • K093261MOVESThornhill Research, Inc. · 2010 · 2 generations on7descendants
  • K162877VOCSN Unified Respiratory SystemVentec Life Systems, Inc. · 2017 · 3 generations on6descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K003472Integra Oxygen Concentrators Model 6400-OMSequal Technologies, Inc.2001—
+1K013931Omni Oxygen System, Model 1000Sequal Technologies, Inc.20021
+2K083163Omni 2 Oxygen SystemSequal Technologies, Inc.20091
+2K120785Omni 3 Oxygen SystemCaire, Inc.2012—
+2K093261MOVESThornhill Research, Inc.2010Class I
+3K162877VOCSN Unified Respiratory SystemVentec Life Systems, Inc.2017Class I

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200220
200420
200510
200620
200720
200830
200920
201031
201110
201210
201430
201520
201731
201840
201921
202111
202320
202430
202570
FIG. 1 — Lineage of K003472, 2001–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

4 devices in this family have a Class I recall. 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (46)

See all 46

4 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K013931Omni Oxygen System, Model 1000Sequal Technologies, Inc.200238
K042262Integra Oxygen Concentrator, Model 6323A-OM-10Sequal Technologies, Inc.20046
K020330Deployable Oxygen Concentration System (Docs)Pacific Consolidated Industries Llp20025
K091541Mesa Oxygen Concentrator, Model 2-6000 SeriesSequal Technologies Co., Ltd.20090

Has anything in its family been recalled? (4 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K093261MOVESThornhill Research, Inc. · 2010 · 2 generations on · ◆ in the 2010 descendants bar of FIG. 12 Class I recalls
  • K162877VOCSN Unified Respiratory SystemVentec Life Systems, Inc. · 2017 · 3 generations on · ◆ in the 2017 descendants bar of FIG. 114 Class I recalls
  • K181166Trilogy EvoRespironics, Inc. · 2019 · 4 generations on · ◆ in the 2019 descendants bar of FIG. 131 Class I recalls
  • K193586Vivo 45 LSBreas Medical AB · 2021 · 5 generations on · ◆ in the 2021 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • Of its descendants, K013931 (Sequal Technologies, Inc., 2002) has gone furthest, with 38 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.

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—
Cite this page

510(k) Report. “K003472: Integra Oxygen Concentrators Model 6400-OM.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K003472

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026