510(k) Report

510(k) · Cleared

Recalled · 2007

Oxy-Serve II Oxygen Conserving Regulator

K051988510(k) TraditionalCleared Sep 21, 200561-day reviewClass II21 CFR 868.5905Recalls 1

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Superior Products, Inc. · NFB Conserver, Oxygen

Cleared on Sep 21, 2005 as substantially equivalent to K010747 (Western Ent., 2001) after a 61-day review. Its family tree reaches back 1 generation to 2001. It has been recalled once.

Decided
Sep 21, 2005
Review
61 days
Class
Class II
Product code
NFB
Recalls
1
Predicates
1

Its longest line of descent runs back 1 generation to K010747 (2001). No later device cites it as a predicate yet.

K010747 · Opc Oxygen Conserving Regulator, Model Ahg 1968, Lin-7005, MDL-7609, Mem-7612, Opc-830 · Western Ent. · 2001 · recalled2000200220042006
  1. Root · 1 generation backK010747 Opc Oxygen Conserving Regulator, Model Ahg 1968, Lin-7005, MDL-7609…Western Ent. · 2001 · Recalled
  2. This deviceK051988 Oxy-Serve II Oxygen Conserving RegulatorSuperior Products, Inc. · 2005
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K010747Opc Oxygen Conserving Regulator, Model Ahg 1968, Lin-7005, MDL-7609, Mem-7612…Western Ent.20013
0 (this device)K051988Oxy-Serve II Oxygen Conserving RegulatorSuperior Products, Inc.2005—
FIG. 1 — Lineage of K051988, 2001–2005Source: 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 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. #1 K250322 Respond OC Conserving Regulator (130-0800)score 10.6 · 4 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? (1)

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
*K010747Opc Oxygen Conserving Regulator, Model Ahg 1968, Lin-7005, MDL-7609, Mem-7612, Opc-830
Summary page 1
…n-continuous ventilator (IPPB), 21 CFR 868.5905 Regulatory Class: II (two) Product Code: NFB 4. Predicate Device Information: 1. K010747 - OPC Oxygen Conserving Regulator - Western Medica, Corp. 5. Device Description: The Oxy-Serve II Oxygen Conserving Regu…
Western Ent.20013

Also cleared against K010747: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Oct 19, 2007Not classifiedZ-0529-2008Component design/selectionLeakage: Device was leaking oxygen

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has a recall.
  • 2 other devices also cite its predicate K010747.

How does its category compare?

All NFB devices

NFB Conserver, Oxygen: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · NFB

1in 2025

2007: 12009: 12010: 12011: 12013: 12016: 12020: 12022: 22025: 1
2007high 2 (2022) · low 0 (2008)2026

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

2007: 3
2007high 3 (2007) · low 0 (2008)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NFB

8in 2025

2007: 32011: 12012: 32013: 52014: 22015: 42017: 92020: 32021: 22022: 12023: 42024: 12025: 8
2007high 9 (2017) · low 0 (2008)2025

MAUDE reports naming product code NFB, 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
20071—33
20080—00
20091—00
20101—00
20111—01
20120—03
20131—05
20140—02
20150—04
20161—00
20170—09
20180—00
20190—00
20201—03
20210—02
20222—01
20230—04
20240—01
20251—08
20260—0—

What is it indicated for?

The Oxy-Serve Ii Oxygen Conserving Regulator is intended as an oxygen conservinga pressure regulator for ambulatory patients. The Conserving Regulator delivers the prescribed flow of oxygen only during the inhalation cycle, conserving oxygen during the exhalation cycle.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051988: Oxy-Serve II Oxygen Conserving Regulator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051988

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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