510(k) Report

510(k) · Cleared

Cleared

VHT-200 Wound Treatment System

K212121510(k) TraditionalCleared Mar 23, 2023624-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

Vaporox, Inc. · KPJ Chamber, Oxygen, Topical, Extremity

Cleared on Mar 23, 2023 as substantially equivalent to K080966 (Aoti, Ltd., 2008) after a 624-day review. Its family tree reaches back 4 generations to 1983. 1 later device descends from it.

Decided
Mar 23, 2023
Review
624 days
Class
Class II
Product code
KPJ
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K831825 (1983). 8 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2002: 1 other ancestor1992: 1 other ancestor1986: 1 other ancestor1984: 1 other ancestor2025: 1 descendant clearedK831825 · Dispos. Hyperbaric Oxygen Cush/Traum · Hospitak, Inc. · 1983K971507 · O2 BOOT · Gwr Medical, Llp · 1997K022028 · VX-400 Topical Hyperbaric Oxygen Chamber · Vascular One, Inc. · 2002K080966 · Hyper-Box Topical Wound Oxygen System · Aoti, Ltd. · 200819801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 3 other ancestors 1 generation forward: 1 descendant K080966 · Hyper-Box Topical Wound Oxygen System · Aoti, Ltd. · 2008K022028 · VX-400 Topical Hyperbaric Oxygen Chamber · Vascular One, Inc. · 2002K971507 · O2 BOOT · Gwr Medical, Llp · 1997K831825 · Dispos. Hyperbaric Oxygen Cush/Traum · Hospitak, Inc. · 19830
  1. Root · 4 generations backK831825 Dispos. Hyperbaric Oxygen Cush/TraumHospitak, Inc. · 1983
  2. 3 generations backK971507 O2 BOOTGwr Medical, Llp · 1997
  3. 2 generations backK022028 VX-400 Topical Hyperbaric Oxygen ChamberVascular One, Inc. · 2002
  4. 1 generation backK080966 Hyper-Box Topical Wound Oxygen SystemAoti, Ltd. · 2008
  5. This deviceK212121 VHT-200 Wound Treatment SystemVaporox, Inc. · 2023
  6. Descendant · cites it directly · 0 of its ownK250188 Wound Treatment System (VHT-200)Vaporox, Inc. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K250188Wound Treatment System (VHT-200)Vaporox, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K831825Dispos. Hyperbaric Oxygen Cush/TraumHospitak, Inc.1983—
−3K971507O2 BOOTGwr Medical, Llp1997—
−2K022028VX-400 Topical Hyperbaric Oxygen ChamberVascular One, Inc.2002—
−1K080966Hyper-Box Topical Wound Oxygen SystemAoti, Ltd.2008—
0 (this device)K212121VHT-200 Wound Treatment SystemVaporox, Inc.2023—
+1K250188Wound Treatment System (VHT-200)Vaporox, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198410
198610
199210
200210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K212121, 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
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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
*K080966Hyper-Box Topical Wound Oxygen System
Summary page 4
…Class II Regulation Number: 21 CFR 878.5650 Product Code: KPJ Predicate Device: Hyper-Box Topical Wound Oxygen System (K080966) Device Description: The VHT-200 Wound Treatment System is a prescription medical device. This system is designed for most topic…
Aoti, Ltd.2008—

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K250188Wound Treatment System (VHT-200)Vaporox, Inc.20250

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 40 years and passes through 5 companies; a new generation was cleared every 14.0 years on median.
  • None of the 8 ancestors has a recall.
  • Of its descendants, K250188 (Vaporox, Inc., 2025) has gone furthest, with 0 descendants of its own.

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. 2023, this device’s year, is highlighted.

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?

The intended use of VHT 200 wound treatment system is to provide humidified oxygen to open, acute or chronic wounds as an adjunct therapy in wound management and treatment.

The VHT-200 wound treatment system is intended for the following kinds of wounds:

• skin ulcerations due to diabetes, venous stasis, and 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. “K212121: VHT-200 Wound Treatment System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K212121

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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