510(k) Report

510(k) · Cleared

Cleared

Carrasyn Oral Wound Dressing

K933741510(k) TraditionalCleared May 4, 1994274-day reviewClass U

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

Carrington Laboratories, Inc. · OLR Oral Wound Dressing

Cleared on May 4, 1994 after a 274-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 10 later devices descend from it.

Decided
May 4, 1994
Review
274 days
Class
Class U
Product code
OLR
Recalls
None
Predicates
0

10 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 1999: 1 descendant cleared2007: 1 descendant cleared2019: 1 descendant cleared2021: 1 descendant cleared2020: 1 descendant cleared2026: 3 descendants cleared2022: 1 descendant cleared2025: 1 descendant cleared1990200020102020
  1. This deviceK933741 Carrasyn Oral Wound DressingCarrington Laboratories, Inc. · 1994
  2. Descendant · cites it directly · 8 of its ownK063148 Sock IT! Oral Pain GelMerlin Group Dba Mcmerlin Dental Company · 2007
  3. Descendant · 2 generations on · 4 of its ownK210211 PuraStat-OM3-D Matrix, Inc. · 2021
  4. Descendant · 3 generations on · 3 of its ownK213552 PuraStat-RM3-D Matrix, Inc. · 2022
  5. Descendant · 4 generations on · 2 of its ownK242634 PuraStat3-D Matrix Europe SAS · 2025
  6. Descendant · 5 generations on · 1 of its ownK253923 PuraStat3-D Matrix Europe SAS · 2026

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

1999: 12007: 12019: 12020: 12021: 12022: 12025: 12026: 3
1999high 3 (2026) · low 0 (2000)2026

Most influential descendants

Showing 5 of 10 · See all
  • K063148Sock IT! Oral Pain GelMerlin Group Dba Mcmerlin Dental Company · 2007 · cites it directly8descendants
  • K210211PuraStat-OM3-D Matrix, Inc. · 2021 · 2 generations on4descendants
  • K213552PuraStat-RM3-D Matrix, Inc. · 2022 · 3 generations on3descendants
  • K242634PuraStat3-D Matrix Europe SAS · 2025 · 4 generations on2descendants
  • K253923PuraStat3-D Matrix Europe SAS · 2026 · 5 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K933741Carrasyn Oral Wound DressingCarrington Laboratories, Inc.1994—
+1K063148Sock IT! Oral Pain GelMerlin Group Dba Mcmerlin Dental Company2007—
+2K210211PuraStat-OM3-D Matrix, Inc.2021—
+3K213552PuraStat-RM3-D Matrix, Inc.2022—
+4K242634PuraStat3-D Matrix Europe SAS2025—
+5K253923PuraStat3-D Matrix Europe SAS2026—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199910
200710
201910
202010
202110
202210
202510
202630
FIG. 1 — Lineage of K933741, 1994–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in OLR? 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 OLR device

  1. #1 K253758 Dental Cone; Dental Spongescore 13.2 · 10 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K063148Sock IT! Oral Pain GelMerlin Group Dba Mcmerlin Dental Company20078
K991923Soothe-N-Seal Canker Sore ReliefClosure Medical Corp.19990

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?

  • Of its descendants, K063148 (Merlin Group Dba Mcmerlin Dental Company, 2007) has gone furthest, with 8 descendants of its own.

How does its category compare?

All OLR devices

OLR Oral Wound Dressing: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · OLR

4so far in 2026, the most since 2007

2007: 32008: 22009: 22011: 32012: 12014: 12018: 12019: 22020: 22021: 22022: 22023: 12025: 32026 (partial year): 4
2007high 4 (2026) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OLR

83in 2025

2007: 93 days median2011: 115 days median2025: 83 days median2026 (partial year): 188 days median
2007high 188 (2026) · low 83 (2025)2026

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

Recalls per year · OLR

1in 2022

2022: 1
2007high 1 (2022) · low 0 (2007)2026

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

Adverse event reports per year · OLR

5in 2025

2025: 5
2007high 5 (2025) · low 0 (2007)2025

MAUDE reports naming product code OLR, 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
200739300
20082—00
20092—00
20100—00
2011311500
20121—00
20130—00
20141—00
20150—00
20160—00
20170—00
20181—00
20192—00
20202—00
20212—00
20222—10
20231—00
20240—00
202538305
202641880—
Cite this page

510(k) Report. “K933741: Carrasyn Oral Wound Dressing.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K933741

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026