510(k) · Cleared
ClearedULTRAMAXO2 Oxygen Analyer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Maxtec, LLC · CCL Analyzer, Gas, Oxygen, Gaseous-Phase
Cleared on Dec 14, 2011 as substantially equivalent to K072469 (Digiflo, Inc., 2008) and 2 other predicates after a 114-day review. Its family tree reaches back 3 generations to 1992. 2 later devices descend from it.
- Decided
- Dec 14, 2011
- Review
- 114 days
- Class
- Class II
- Product code
- CCL
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 3 generations to K920338 (1992). 4 ancestors in all. 2 later devices descend from it, 2 citing it directly.
- Root · 3 generations backK920338 Companion Retrofit Oxygen Concentration IndicatorPuritan Bennett Corp. · 1992
- 2 generations backK984295 Invacare Check O2 Plus Concentrator Analyzer (Check O2 Plus)Invacare Corp. · 1999
- 1 generation backK072469 Digiflo Concentrator AnalyzerDigiflo, Inc. · 2008
- This deviceK112402 ULTRAMAXO2 Oxygen AnalyerMaxtec, LLC · 2011
- Descendant · cites it directly · 0 of its ownK261389 PRO2 Elite Plus Oxygen Analyzer (PRO2PLUS-1)Salter Labs · 2026
- Descendant · cites it directly · 0 of its ownK250002 Smart Check O2 (MA0236)Life Spark Medical, LLC · 2025
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K920338 | Companion Retrofit Oxygen Concentration Indicator | Puritan Bennett Corp. | 1992 | — |
| −2 | K984295 | Invacare Check O2 Plus Concentrator Analyzer (Check O2 Plus) | Invacare Corp. | 1999 | — |
| −1 | K072469 | Digiflo Concentrator Analyzer | Digiflo, Inc. | 2008 | — |
| 0 (this device) | K112402 | ULTRAMAXO2 Oxygen Analyer | Maxtec, LLC | 2011 | — |
| +1 | K261389 | PRO2 Elite Plus Oxygen Analyzer (PRO2PLUS-1) | Salter Labs | 2026 | — |
| +1 | K250002 | Smart Check O2 (MA0236) | Life Spark Medical, LLC | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
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 CCL? 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 CCL device
- #1 K261389 PRO2 Elite Plus Oxygen Analyzer (PRO2PLUS-1)score 12.7 · 4 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K072469 | Digiflo Concentrator AnalyzerSummary page 1…3) The following predicate devices were used to establish substantial equivalence for the UltraMaxO2 Oxygen Analyzer: * 510(k)# K072469: "DigiFLO Concentrator Analyzer" C* 510(k) #K984295: "Check 02 Plus Oxygen Analyzer" *… | 2008 |
| * | K984295 | Invacare Check O2 Plus Concentrator Analyzer (Check O2 Plus)Summary page 1…ubstantial equivalence for the UltraMaxO2 Oxygen Analyzer: * 510(k)# K072469: "DigiFLO Concentrator Analyzer" C* 510(k) #K984295: "Check 02 Plus Oxygen Analyzer" * 5 10(k) # K983500: "Pro2 Check Oxygen Indicator" 4) Descript… | 1999 |
| * | K983500 | PRO2 Check Oxygen IndicatorSummary page 1…* 510(k)# K072469: "DigiFLO Concentrator Analyzer" C* 510(k) #K984295: "Check 02 Plus Oxygen Analyzer" * 5 10(k) # K983500: "Pro2 Check Oxygen Indicator" 4) Description of the subject device: The UltraMaxO2 device is used for ch… | 1999 |
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 19 years and passes through 4 companies; a new generation was cleared every 6.9 years on median.
- None of the 4 ancestors has a recall.
- Of its descendants, K261389 (Salter Labs, 2026) has gone furthest, with 0 descendants of its own.
How does its category compare?
All CCL devicesCCL Analyzer, Gas, Oxygen, Gaseous-Phase: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.
FDA decisions per year · CCL
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · CCL
Too few CCL 510(k)s in any year since 2007 to give a median.
Recalls per year · CCL
1in 2009
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · CCL
2in 2025
MAUDE reports naming product code CCL, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 2 | — | 0 | 1 |
| 2008 | 2 | — | 0 | 2 |
| 2009 | 0 | — | 1 | 2 |
| 2010 | 0 | — | 0 | 5 |
| 2011 | 1 | — | 0 | 4 |
| 2012 | 0 | — | 0 | 5 |
| 2013 | 2 | — | 0 | 3 |
| 2014 | 0 | — | 0 | 8 |
| 2015 | 0 | — | 0 | 5 |
| 2016 | 1 | — | 0 | 1 |
| 2017 | 0 | — | 0 | 2 |
| 2018 | 1 | — | 0 | 1 |
| 2019 | 0 | — | 0 | 1 |
| 2020 | 0 | — | 0 | 1 |
| 2021 | 0 | — | 0 | 3 |
| 2022 | 2 | — | 0 | 0 |
| 2023 | 1 | — | 0 | 4 |
| 2024 | 0 | — | 0 | 4 |
| 2025 | 2 | — | 0 | 2 |
| 2026 | 1 | — | 0 | — |
What is it indicated for?
The UltraMaxO2 Oxygen Analyzer is a tool used to measure oxygen purity, flow and pressure at the outlet of an oxygen concentrator. The UltraMaxO2 Oxygen Analyzer is intended to be used in an environment where oxygen concentrators are being serviced or repaired. This includes Hospitals, Nursing Homes, Extended Care Facilities, Patient Homes, and Respiratory Device Service and Repair Centers.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K112402 · printed Nov 3, 2026
Cite this page
510(k) Report. “K112402: ULTRAMAXO2 Oxygen Analyer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K112402
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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