510(k) Report

510(k) · Cleared

Cleared

Hyperox 101

K053498510(k) TraditionalCleared Mar 15, 200689-day reviewClass II21 CFR 868.5470

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

Wjo, Inc. · CBF Chamber, Hyperbaric

Cleared on Mar 15, 2006 as substantially equivalent to K031649 (Fink Engineering Pty, Ltd., 2003) and 2 other predicates after an 89-day review. Its family tree reaches back 4 generations to 1983.

Decided
Mar 15, 2006
Review
89 days
Class
Class II
Product code
CBF
Recalls
None
Predicates
3

Its longest line of descent runs back 4 generations to K832127 (1983). 14 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK832127 Nautilus Monoplace Hyperbaric UnitNautilus Environmedical Systems, Inc. · 1983
  2. 3 generations backK974868 Sigma Plus Monoplace Hyperbaric ChamberPerry Baromedical Corp. · 1998
  3. 2 generations backK990927 Sigma 3400 Monoplace Hyperbaric ChamberPerry Baromedical Corp. · 1999
  4. 1 generation backK021693 Pan-America Hyperbarics Hyperbaric Chamber System, Model Pah-S1Pan-America Hyperbarics, Inc. · 2002
  5. This deviceK053498 Hyperox 101Wjo, Inc. · 2006
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K832127Nautilus Monoplace Hyperbaric UnitNautilus Environmedical Systems, Inc.1983—
−3K974868Sigma Plus Monoplace Hyperbaric ChamberPerry Baromedical Corp.1998—
−2K990927Sigma 3400 Monoplace Hyperbaric ChamberPerry Baromedical Corp.1999—
−1K021693Pan-America Hyperbarics Hyperbaric Chamber System, Model Pah-S1Pan-America Hyperbarics, Inc.2002—
0 (this device)K053498Hyperox 101Wjo, Inc.2006—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
199310
199540
199910
200020
200310
FIG. 1 — Lineage of K053498, 1983–2006Source: 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 CBF? 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 CBF device

  1. #1 K240569 FESL FINK Chamber; FEDL FINK Chamber; FETL…score 8.7 · 2 generations · no Class I recall
  2. #2 Held for the reportin the report
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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.

TypeNumberDeviceApplicantDecidedRecalls
*K031649SL8/DL8/TL20 Hyperbaric Oxygen Treatment Facilities
Summary page 3
…pressurization and the intended use of the HyperOx Hyperbaric Oxygen Treatment Chamber is substantially equivalent to the Fink Engineering Pty. Ltd models SL8/DLS/TL20 (K031649), Pan-American Hyperbarics, Inc PAH-S 1 Chamber (K021693), and Perry Sigmna MP Hyperbaric Chamber (K930748) and is proposing them…
Fink Engineering Pty, Ltd.2003—
*K021693Pan-America Hyperbarics Hyperbaric Chamber System, Model Pah-S1
Summary page 1
…Predicate Device(s): Fink Engineering Pty. Ltd Models S5L8/DL8/TL,2O (1(031649) Pan-American Hlyerbarics, Inc. PAH-SlI - K02 1693 Perry Sigma MP Hyperbaric Chamber -K930748 5-1 === Page 2 ==…
Pan-America Hyperbarics, Inc.2002—
*K930748Sigma MP Multiplace Hyperbaric Chamber
Summary page 1
…. Ltd Models S5L8/DL8/TL,2O (1(031649) Pan-American Hlyerbarics, Inc. PAH-SlI - K02 1693 Perry Sigma MP Hyperbaric Chamber -K930748 5-1 SUMMARY The Undersea and Hyperbaric Medical Society (UMHS) defi…
Perry Baromedical Services1993—

Also cleared against K031649: 3 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)

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 23 years and passes through 4 companies; a new generation was cleared every 3.4 years on median.
  • None of the 14 ancestors has a recall.
  • 3 other devices also cite its predicate K031649.

How does its category compare?

All CBF devices

CBF Chamber, Hyperbaric: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CBF

1in 2024

2008: 32009: 12010: 32011: 12014: 12016: 12017: 12019: 12023: 12024: 1
2007high 3 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CBF

87in 2010

2008: 134 days median2010: 87 days median
2007high 134 (2008) · low 87 (2010)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · CBF

2in 2008

2008: 2
2007high 2 (2008) · low 0 (2007)2026

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

Adverse event reports per year · CBF

25in 2025

2007: 22009: 12010: 112011: 52012: 92013: 12014: 52015: 32016: 52017: 92018: 52019: 32020: 42021: 62022: 92023: 132024: 132025: 25
2007high 25 (2025) · low 0 (2008)2025

MAUDE reports naming product code CBF, 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
20070—02
2008313420
20091—01
2010387011
20111—05
20120—09
20130—01
20141—05
20150—03
20161—05
20171—09
20180—05
20191—03
20200—04
20210—06
20220—09
20231—013
20241—013
20250—025
20260—0—

What is it indicated for?

Air or gas embolism

Carbon monoxide poisoning and carbon monoxide poisoning complicated by cyanide poisoning

Clostridial myositis and myonecrosis

Crush injury, compartment syndrome, and other acute traumatic ischememias

iDecompression sickness

Enhanced of selected problem wounds

Exceptional blood loss anemia

Necrotizing soft tissue infections

Osteomyelitis (refractory)

Delayed radiation injury (soft tissue and bony necrosis)

Skin grafts and flaps (compromised)

Thermal bums

Intercranial abscess

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K053498: Hyperox 101.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K053498

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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