510(k) Report

510(k) · Cleared

Cleared

VX-400 Topical Hyperbaric Oxygen Chamber

K022028510(k) TraditionalCleared Dec 17, 2002179-day reviewClass II21 CFR 878.5650

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

Vascular One, Inc. · KPJ Chamber, Oxygen, Topical, Extremity

Cleared on Dec 17, 2002 as substantially equivalent to K971507 (Gwr Medical, Llp, 1997) and 1 other predicate after a 179-day review. Its family tree reaches back 2 generations to 1983. 4 later devices descend from it.

Decided
Dec 17, 2002
Review
179 days
Class
Class II
Product code
KPJ
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K831825 (1983). 5 ancestors in all. 4 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1992: 1 other ancestor1986: 1 other ancestor1984: 1 other ancestor2005: 1 descendant cleared2008: 1 descendant cleared2023: 1 descendant cleared2025: 1 descendant clearedK831825 · Dispos. Hyperbaric Oxygen Cush/Traum · Hospitak, Inc. · 1983K971507 · O2 BOOT · Gwr Medical, Llp · 199719801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors 1 generation forward: 2 descendants2 generations forward: 1 descendant3 generations forward: 1 descendant K971507 · O2 BOOT · Gwr Medical, Llp · 1997K831825 · Dispos. Hyperbaric Oxygen Cush/Traum · Hospitak, Inc. · 19830
  1. Root · 2 generations backK831825 Dispos. Hyperbaric Oxygen Cush/TraumHospitak, Inc. · 1983
  2. 1 generation backK971507 O2 BOOTGwr Medical, Llp · 1997
  3. This deviceK022028 VX-400 Topical Hyperbaric Oxygen ChamberVascular One, Inc. · 2002
  4. Descendant · cites it directly · 2 of its ownK080966 Hyper-Box Topical Wound Oxygen SystemAoti, Ltd. · 2008
  5. Descendant · 2 generations on · 1 of its ownK212121 VHT-200 Wound Treatment SystemVaporox, Inc. · 2023
  6. Descendant · 3 generations on · 0 of its ownK250188 Wound Treatment System (VHT-200)Vaporox, Inc. · 2025
  7. Descendant · cites it directly · 0 of its ownK050156 WHS-1000 Wound Healing SystemIyia Technologies, Inc. · 2005

Most influential descendants

Showing 4 of 4 · See all
  • K080966Hyper-Box Topical Wound Oxygen SystemAoti, Ltd. · 2008 · cites it directly2descendants
  • K212121VHT-200 Wound Treatment SystemVaporox, Inc. · 2023 · 2 generations on1descendant
  • K250188Wound Treatment System (VHT-200)Vaporox, Inc. · 2025 · 3 generations on0descendants
  • K050156WHS-1000 Wound Healing SystemIyia Technologies, Inc. · 2005 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K831825Dispos. Hyperbaric Oxygen Cush/TraumHospitak, Inc.1983—
−1K971507O2 BOOTGwr Medical, Llp1997—
0 (this device)K022028VX-400 Topical Hyperbaric Oxygen ChamberVascular One, Inc.2002—
+1K080966Hyper-Box Topical Wound Oxygen SystemAoti, Ltd.2008—
+2K212121VHT-200 Wound Treatment SystemVaporox, Inc.2023—
+3K250188Wound Treatment System (VHT-200)Vaporox, Inc.2025—
+1K050156WHS-1000 Wound Healing SystemIyia Technologies, Inc.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
198610
199210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200810
202310
202510
FIG. 1 — Lineage of K022028, 1983–2025Source: 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 KPJ? 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 KPJ device

  1. #1 K250188 Wound Treatment System (VHT-200)score 10.2 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K971507O2 BOOT
Summary page 1
…Name of the Device:, VX-400 Topical Hyperbaric Oxygen Chamber 3. Predicate Device Information: 0 2 Boot, GWR Medical, LLP, Chadds Ford, PA, W971507 0 Topox Topical Sacral Hyperbaric Oxygen Chamber, Topox, Inc. North Attleboro, MA, W920948 The Topical H…
Gwr Medical, Llp1997—
*K920948Topical Sacral Hyperbaric Oxygen Chamber
Summary page 1
…ation: 0 2 Boot, GWR Medical, LLP, Chadds Ford, PA, W971507 0 Topox Topical Sacral Hyperbaric Oxygen Chamber, Topox, Inc. North Attleboro, MA, W920948 The Topical Hyperbaric Oxygen Extremity Chamber, Advanced Hyberbaric Technologies, Inc., Farmingdale, NJ. (Gran…
Topox Therapeuutic Rentals, Inc.1992—
*—Topical Hyperbaric Oxygen Extremity Chamber
Named without a submission number
—

Also cleared against K971507: 2 other devices →

What descends from it? (4)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K080966Hyper-Box Topical Wound Oxygen SystemAoti, Ltd.20082
K050156WHS-1000 Wound Healing SystemIyia Technologies, Inc.20050

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 3 companies; a new generation was cleared every 14.0 years on median.
  • None of the 5 ancestors has a recall.
  • Of its descendants, K080966 (Aoti, Ltd., 2008) has gone furthest, with 2 descendants of its own.
  • 2 other devices also cite its predicate K971507.

How does its category compare?

All KPJ devices

KPJ Chamber, Oxygen, Topical, Extremity: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · KPJ

1in 2025

2008: 12009: 12012: 22019: 12023: 12025: 1
2007high 2 (2012) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KPJ

Too few KPJ 510(k)s in any year since 2007 to give a median.

Recalls per year · KPJ

1in 2012

2012: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · KPJ

No MAUDE report names KPJ since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20081—00
20091—00
20100—00
20110—00
20122—10
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20191—00
20200—00
20210—00
20220—00
20231—00
20240—00
20251—00
20260—0—

What is it indicated for?

For Treatmeni: of open acute or chronic wounds, e.g.,

Skin ulcerations due to diabetes, venous stasis, post surgical infections and gangrenous lesions

Decubitus ulcers

Amputations/infected stumps

Skin grafts

Burns

Frostbite

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K022028: VX-400 Topical Hyperbaric Oxygen Chamber.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K022028

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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