510(k) Report

510(k) · Cleared

Cleared

Xenomem Wound Matrix

K140820510(k) TraditionalCleared Jun 26, 2015451-day reviewClass U

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

Viscus Biologics, LLC · KGN Wound Dressing With Animal-Derived Material (S)

Cleared on Jun 26, 2015 as substantially equivalent to K061711 (Cook Biotech, Inc., 2006) and 1 other predicate after a 451-day review. Its family tree reaches back 4 generations to 1988.

Decided
Jun 26, 2015
Review
451 days
Class
Class U
Product code
KGN
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K881854 (1988). 11 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 4 generations backK881854 Sorbsan Topical Wound DressingE.G. Dick & Assoc. · 1988
  2. 3 generations backK982597 Fibrcol Plus Collagen Wound Dressing with AlginateJohnson & Johnson Medical, Inc. · 1998
  3. 2 generations backK993948 Sis Wound Dressing IICook Biotech, Inc. · 2000
  4. 1 generation backK020732 SS MatrixCook Biotech, Inc. · 2002
  5. This deviceK140820 Xenomem Wound MatrixViscus Biologics, LLC · 2015
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K881854Sorbsan Topical Wound DressingE.G. Dick & Assoc.1988—
−3K982597Fibrcol Plus Collagen Wound Dressing with AlginateJohnson & Johnson Medical, Inc.1998—
−2K993948Sis Wound Dressing IICook Biotech, Inc.2000—
−1K020732SS MatrixCook Biotech, Inc.2002—
0 (this device)K140820Xenomem Wound MatrixViscus Biologics, LLC2015—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199130
199310
199410
199810
200610
FIG. 1 — Lineage of K140820, 1988–2015Source: 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 KGN? 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 KGN device

  1. #1 K231325 Corplex P / Theracor P / Allacor Pscore 17.9 · 8 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? (2)

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
*K061711Oasis Wound Matrix
Summary page 5
…tion and sold for prescription only. SUBSTANTIALLY EQUIVALENT TO: XenoMem™ Wound Matrix is substantially equivalent to Oasis® Wound Matrix, cleared with Special 510(k) K061711, which is in turn based on SS Matrix cleared via Traditional 510(k) K020732. Oasis Ultra, a line extension, is a triple layer ver…
Cook Biotech, Inc.2006—
*K020732SS Matrix
Summary page 5
…Wound Matrix is substantially equivalent to Oasis® Wound Matrix, cleared with Special 510(k) K061711, which is in turn based on SS Matrix cleared via Traditional 510(k) K020732. Oasis Ultra, a line extension, is a triple layer version of Oasis Wound Matrix. Cook Biotech, Inc. manufactures these predicate…
Cook Biotech, Inc.2002—
†K112888Meso Wound MatrixKensey Nash Corporation2012—
†K094061Kensey Nash Ecm Surgical PatchKensey Nash Corporation2010—

Also cleared against K061711: 15 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 27 years and passes through 4 companies; a new generation was cleared every 10.1 years on median.
  • 1 of the 11 ancestors has a recall of any class.
  • 15 other devices also cite its predicate K061711.

How does its category compare?

All KGN devices

KGN Wound Dressing With Animal-Derived Material (S): FDA decisions, review times, recalls and adverse event reports over 20 years. 2015, this device’s year, is highlighted.

FDA decisions per year · KGN

15so far in 2026, the most since 2007

2007: 32008: 62009: 82010: 42011: 72012: 82013: 62014: 52015: 72016: 42017: 72018: 62019: 32020: 52021: 62022: 122023: 92024: 132025: 102026 (partial year): 15
2007high 15 (2026) · low 3 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KGN

162in 2025

2007: 32 days median2008: 87 days median2009: 121 days median2010: 175 days median2011: 228 days median2012: 123 days median2013: 147 days median2014: 188 days median2015: 87 days median2016: 164 days median2017: 136 days median2018: 148 days median2019: 128 days median2020: 279 days median2021: 236 days median2022: 246 days median2023: 194 days median2024: 83 days median2025: 162 days median2026 (partial year): 174 days median
2007high 279 (2020) · low 32 (2007)2026

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

Recalls per year · KGN

3in 2018

2017: 12018: 3
2007high 3 (2018) · low 0 (2007)2026

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

Adverse event reports per year · KGN

15in 2025

2008: 12009: 22010: 32011: 62012: 42013: 62014: 122015: 92016: 62017: 82018: 152019: 112020: 172021: 142022: 132023: 212024: 152025: 15
2007high 21 (2023) · low 0 (2007)2025

MAUDE reports naming product code KGN, 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
200733200
200868701
2009812102
2010417503
2011722806
2012812304
2013614706
20145188012
201578709
2016416406
2017713618
20186148315
20193128011
20205279017
20216236014
202212246013
20239194021
20241383015
202510162015
2026151740—

What is it indicated for?

XenoMem™ Wound Matrix is indicated for the management of wounds including:

• Partial and full-thickness wounds;

• Pressure ulcers, venous ulcers, diabetic ulcers, chronic vascular ulcers;

• Tunnelled/undermined wounds

• Surgical wounds (donor sites/grafts, post-Mohs’ surgery, post-laser surgery, podiatric, wound dehiscence),

• Trauma wounds (abrasions, lacerations, second-degree burns, skin tears);

• Draining wounds.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K140820: Xenomem Wound Matrix.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K140820

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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