510(k) Report

510(k) · Cleared

Cleared

Collagen Wound Dressing - Oral

K040403510(k) TraditionalCleared May 10, 200483-day reviewClass U

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

Collagen Matrix, Inc. · KGN Wound Dressing With Animal-Derived Material (S)

Cleared on May 10, 2004 as substantially equivalent to K994339 (The Hymed Group Corp., 2000) and 1 other predicate after an 83-day review. Its family tree reaches back 2 generations to 1991. 10 later devices descend from it.

Decided
May 10, 2004
Review
83 days
Class
Class U
Product code
KGN
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K910944 (1991). 6 ancestors in all. 10 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2000: 1 other ancestor2001: 1 other ancestor1999: 1 other ancestor1993: 1 other ancestor2009: 1 descendant cleared2012: 1 descendant cleared2015: 1 descendant cleared2011: 1 descendant cleared2018: 1 descendant cleared2014: 1 descendant cleared2016: 1 descendant cleared2025: 1 descendant cleared2024: 1 descendant cleared2023: 1 descendant clearedK910944 · Medifil · Biocore · 1991K030921 · Collagen Topical Wound Dressing · Collagen Matrix, Inc. · 20031990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors 1 generation forward: 4 descendants2 generations forward: 3 descendants3 generations forward: 3 descendants K030921 · Collagen Topical Wound Dressing · Collagen Matrix, Inc. · 2003K910944 · Medifil · Biocore · 19910
  1. Root · 2 generations backK910944 MedifilBiocore · 1991
  2. 1 generation backK030921 Collagen Topical Wound DressingCollagen Matrix, Inc. · 2003
  3. This deviceK040403 Collagen Wound Dressing - OralCollagen Matrix, Inc. · 2004
  4. Descendant · cites it directly · 6 of its ownK110388 Collacare DentalInnocoll Pharmaceuticals, Ltd. · 2011
  5. Descendant · cites it directly · 5 of its ownK122115 Collagen Dental Wound DressingsCollagen Matrix, Inc. · 2012
  6. Descendant · 2 generations on · 2 of its ownK152600 Collagen Dental Wound DressingsCollagen Matrix, Inc. · 2016 · Recalled
  7. Descendant · 2 generations on · 1 of its ownK133290 Collacare DentalInnocoll Pharmaceuticals · 2014
  8. Descendant · cites it directly · 1 of its ownK080868 Aongen Collagen MatrixAeon Astron Europe B.V. · 2009

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

2009: 12011: 12012: 12014: 12015: 12016: 12018: 12023: 12024: 12025: 1
2009high 1 (2009) · low 0 (2010)2026

Most influential descendants

Showing 5 of 10 · See all
  • K110388Collacare DentalInnocoll Pharmaceuticals, Ltd. · 2011 · cites it directly6descendants
  • K122115Collagen Dental Wound DressingsCollagen Matrix, Inc. · 2012 · cites it directly5descendants
  • K152600Collagen Dental Wound DressingsCollagen Matrix, Inc. · 2016 · 2 generations on2descendants
  • K133290Collacare DentalInnocoll Pharmaceuticals · 2014 · 2 generations on1descendant
  • K080868Aongen Collagen MatrixAeon Astron Europe B.V. · 2009 · cites it directly1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K910944MedifilBiocore1991—
−1K030921Collagen Topical Wound DressingCollagen Matrix, Inc.2003—
0 (this device)K040403Collagen Wound Dressing - OralCollagen Matrix, Inc.2004—
+1K110388Collacare DentalInnocoll Pharmaceuticals, Ltd.2011—
+1K122115Collagen Dental Wound DressingsCollagen Matrix, Inc.2012—
+2K152600Collagen Dental Wound DressingsCollagen Matrix, Inc.20161
+2K133290Collacare DentalInnocoll Pharmaceuticals2014—
+1K080868Aongen Collagen MatrixAeon Astron Europe B.V.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310
199910
200010
200110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201110
201210
201410
201510
201610
201810
202310
202410
202510
FIG. 1 — Lineage of K040403, 1991–2025Source: 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 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
Get a 510(k) Report

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
*K994339Hycure Oral / Hycure Oral Smart Gel
Summary page 1
…d 880.5090 KMF Predicate Device(s): hyCure® Oral, The Hymed Group Corp, K994339 Collagen Topical Wound Dressing, Collagen Matrix,…
The Hymed Group Corp.2000—
*K030921Collagen Topical Wound Dressing
Summary page 1
…al, The Hymed Group Corp, K994339 Collagen Topical Wound Dressing, Collagen Matrix, Inc., K030921 Description of the Device Collagen Wound Dressing - Oral is a white to off-white, absorbent, microfibrillar coll…
Collagen Matrix, Inc.2003—

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K110388Collacare DentalInnocoll Pharmaceuticals, Ltd.20116
K122115Collagen Dental Wound DressingsCollagen Matrix, Inc.20125
K080868Aongen Collagen MatrixAeon Astron Europe B.V.20091
K142712Dental Collagen Wound Dressing (Nova Tape and NovaPlug)Novabone Products, LLC20150

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 13 years and passes through 2 companies; a new generation was cleared every 12.1 years on median.
  • None of the 6 ancestors has a recall.
  • Of its descendants, K110388 (Innocoll Pharmaceuticals, Ltd., 2011) has gone furthest, with 6 descendants of its own.

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.

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?

Collagn Wound Dressing - Oral is indicated for the management of oral wounds and sores, including:

· Denture sores

* Oral ulcers (non-infected or viral)

· Periodontal surgical wounds

· Suture sites

· Bums

· Extraction sites

· Surgical wounds

· Traumatic wounds

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040403: Collagen Wound Dressing - Oral.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K040403

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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