510(k) Report

510(k) · Cleared

Cleared

Miniox IA Oxygen Analyzer

K935370510(k) TraditionalCleared Aug 2, 1994271-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

Minesafety Appliances Co. · CAW Generator, Oxygen, Portable

Cleared on Aug 2, 1994 after a 271-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 3 of the 30 devices in its family, counting itself, have a Class I recall. 29 later devices descend from it.

Decided
Aug 2, 1994
Review
271 days
Class
Class II
Product code
CAW
Recalls
None
Predicates
0

29 later devices descend from it, 1 citing it directly. 3 of the 30 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 1998: 1 descendant cleared2007: 3 descendants cleared2003: 1 descendant cleared2005: 1 descendant cleared2004: 1 descendant cleared2008: 2 descendants cleared2013: 2 descendants cleared2018: 1 descendant cleared2011: 1 descendant cleared2026: 1 descendant cleared2012: 1 descendant cleared2014: 1 descendant cleared2019: 3 descendants cleared, 2 with a Class I recall22021: 2 descendants cleared, 1 with a Class I recall12025: 3 descendants cleared2015: 1 descendant cleared2016: 1 descendant cleared2020: 1 descendant cleared2024: 2 descendants cleared1990200020102020
  1. This deviceK935370 Miniox IA Oxygen AnalyzerMinesafety Appliances Co. · 1994
  2. Descendant · cites it directly · 28 of its ownK973282 Handi Oxygen AnalyzerCeramatec, Inc. · 1998
  3. Descendant · 2 generations on · 16 of its ownK051857 Veo Multigas Monitor for Pocket PC, Model 400221Weissburg Associates · 2005
  4. Descendant · 3 generations on · 12 of its ownK081601 Veo Multigas Monitor for Pocket PCPhasein AB · 2008
  5. Descendant · 4 generations on · 11 of its ownK123043 Irma C02 Model 200101; Irma AX 200601Phasein AB · 2012
  6. Descendant · 2 generations on · 10 of its ownK023565 OxicheckCaradyne, Ltd. · 2003

Showing 5 of 29 descendants. See all descendants

Descendants cleared per year

1998: 12003: 12004: 12005: 12007: 32008: 22011: 12012: 12013: 22014: 12015: 12016: 12018: 12019: 32020: 12021: 22024: 22025: 32026: 1
1998high 3 (2007) · low 0 (1999)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 29 · See all
  • K973282Handi Oxygen AnalyzerCeramatec, Inc. · 1998 · cites it directly28descendants
  • K051857Veo Multigas Monitor for Pocket PC, Model 400221Weissburg Associates · 2005 · 2 generations on16descendants
  • K081601Veo Multigas Monitor for Pocket PCPhasein AB · 2008 · 3 generations on12descendants
  • K123043Irma C02 Model 200101; Irma AX 200601Phasein AB · 2012 · 4 generations on11descendants
  • K023565OxicheckCaradyne, Ltd. · 2003 · 2 generations on10descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K935370Miniox IA Oxygen AnalyzerMinesafety Appliances Co.1994—
+1K973282Handi Oxygen AnalyzerCeramatec, Inc.1998—
+2K051857Veo Multigas Monitor for Pocket PC, Model 400221Weissburg Associates2005—
+3K081601Veo Multigas Monitor for Pocket PCPhasein AB2008—
+4K123043Irma C02 Model 200101; Irma AX 200601Phasein AB2012—
+2K023565OxicheckCaradyne, Ltd.2003—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
200310
200410
200510
200730
200820
201110
201210
201320
201410
201510
201610
201810
201932
202010
202121
202420
202530
202610
FIG. 1 — Lineage of K935370, 1994–2026Source: 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.

3 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
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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? (29)

See all 29

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

NumberDeviceApplicantDecidedDescendants
K973282Handi Oxygen AnalyzerCeramatec, Inc.199828

Has anything in its family been recalled? (3 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.

  • K181170Trilogy Evo UniversalRespironics, Inc. · 2019 · 6 generations on · ◆ in the 2019 descendants bar of FIG. 112 Class I recalls
  • K193586Vivo 45 LSBreas Medical AB · 2021 · 6 generations on · ◆ in the 2021 descendants bar of FIG. 11 Class I recall
  • K181166Trilogy EvoRespironics, Inc. · 2019 · 6 generations on · ◆ in the 2019 descendants bar of FIG. 131 Class I recalls

What does this lineage say?

  • Of its descendants, K973282 (Ceramatec, Inc., 1998) has gone furthest, with 28 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. “K935370: Miniox IA Oxygen Analyzer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K935370

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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