510(k) · Cleared
ClearedVictor Model Ocpr Oxygen Conserving Pressure Regulator
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Thermadyne Holings Corp. · NFB Conserver, Oxygen
Cleared on Nov 7, 1996 after an 80-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 9 later devices descend from it.
- Decided
- Nov 7, 1996
- Review
- 80 days
- Class
- Class II
- Product code
- NFB
- Recalls
- None
- Predicates
- 0
9 later devices descend from it, 1 citing it directly.
- This deviceK963247 Victor Model Ocpr Oxygen Conserving Pressure RegulatorThermadyne Holings Corp. · 1996
- Descendant · cites it directly · 8 of its ownK992659 O2N Demand-II, Victor Model Ocpr-IIThermadyne Holings Corp. · 1999
- Descendant · 2 generations on · 4 of its ownK031983 Inovo, Inc, Economizer Conserving RegulatorInovo, Inc. · 2003
- Descendant · 2 generations on · 3 of its ownK020475 Chad Therapeutics Oxypenumatic Cypress Model 511Chad Therapeutics, Inc. · 2002
- Descendant · 3 generations on · 1 of its ownK070740 Chad Therapeutics Bonsai Model 800Chad Therapeutics, Inc. · 2007
- Descendant · 3 generations on · 1 of its ownK061785 Cyl-Fil Oxygen SystemResponsive Respiratory, Inc. · 2006
Showing 5 of 9 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 9 · See all- K992659O2N Demand-II, Victor Model Ocpr-IIThermadyne Holings Corp. · 1999 · cites it directly8descendants
- K031983Inovo, Inc, Economizer Conserving RegulatorInovo, Inc. · 2003 · 2 generations on4descendants
- K020475Chad Therapeutics Oxypenumatic Cypress Model 511Chad Therapeutics, Inc. · 2002 · 2 generations on3descendants
- K070740Chad Therapeutics Bonsai Model 800Chad Therapeutics, Inc. · 2007 · 3 generations on1descendant
- K061785Cyl-Fil Oxygen SystemResponsive Respiratory, Inc. · 2006 · 3 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K963247 | Victor Model Ocpr Oxygen Conserving Pressure Regulator | Thermadyne Holings Corp. | 1996 | — |
| +1 | K992659 | O2N Demand-II, Victor Model Ocpr-II | Thermadyne Holings Corp. | 1999 | — |
| +2 | K031983 | Inovo, Inc, Economizer Conserving Regulator | Inovo, Inc. | 2003 | — |
| +2 | K020475 | Chad Therapeutics Oxypenumatic Cypress Model 511 | Chad Therapeutics, Inc. | 2002 | — |
| +3 | K070740 | Chad Therapeutics Bonsai Model 800 | Chad Therapeutics, Inc. | 2007 | — |
| +3 | K061785 | Cyl-Fil Oxygen System | Responsive Respiratory, Inc. | 2006 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2009 | 1 | 0 |
| 2025 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
Planning a device in NFB? 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 NFB device
- #1 K250322 Respond OC Conserving Regulator (130-0800)score 10.6 · 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?
FDA’s file for it is a 510(k) statement, which names no predicate.
What descends from it? (9)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K992659 | O2N Demand-II, Victor Model Ocpr-II | 1999 | 8 |
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?
- Of its descendants, K992659 (Thermadyne Holings Corp., 1999) has gone furthest, with 8 descendants of its own.
How does its category compare?
All NFB devicesNFB Conserver, Oxygen: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · NFB
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · NFB
Too few NFB 510(k)s in any year since 2007 to give a median.
Recalls per year · NFB
3in 2007
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NFB
8in 2025
MAUDE reports naming product code NFB, 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 | 1 | — | 3 | 3 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 1 | — | 0 | 0 |
| 2010 | 1 | — | 0 | 0 |
| 2011 | 1 | — | 0 | 1 |
| 2012 | 0 | — | 0 | 3 |
| 2013 | 1 | — | 0 | 5 |
| 2014 | 0 | — | 0 | 2 |
| 2015 | 0 | — | 0 | 4 |
| 2016 | 1 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 9 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 1 | — | 0 | 3 |
| 2021 | 0 | — | 0 | 2 |
| 2022 | 2 | — | 0 | 1 |
| 2023 | 0 | — | 0 | 4 |
| 2024 | 0 | — | 0 | 1 |
| 2025 | 1 | — | 0 | 8 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Oxygen Conserving Pressure Regulator (OCPR) is a demand oxygen delivery mode that delivers oxygen only during inspiration while providing oxygen savings equivalent to steady flow. The OCPR extends the useful life of portable oxygen cylinders, increasing oxygen savings and cost savings.
Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K963247 · printed Nov 4, 2026
Cite this page
510(k) Report. “K963247: Victor Model Ocpr Oxygen Conserving Pressure Regulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K963247
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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