510(k) Report

510(k) · Cleared

Cleared

Retraxil

K243910510(k) TraditionalCleared Sep 24, 2025279-day reviewClass U

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

Kulzer, LLC · MVL Cord, Retraction

Cleared on Sep 24, 2025 as substantially equivalent to K050180 (Produits Dentaires Pierre Rolland, 2005) and 1 other predicate after a 279-day review. Its family tree reaches back 1 generation to 2005.

Decided
Sep 24, 2025
Review
279 days
Class
Class U
Product code
MVL
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K050180 (2005). 2 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2009: 1 other ancestorK050180 · Expa-Syl · Produits Dentaires Pierre Rolland · 200520052010201520202025
Other ancestors, by generation 1 generation back: 1 other ancestor K050180 · Expa-Syl · Produits Dentaires Pierre Rolland · 20050
  1. Root · 1 generation backK050180 Expa-SylProduits Dentaires Pierre Rolland · 2005
  2. This deviceK243910 RetraxilKulzer, LLC · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K050180Expa-SylProduits Dentaires Pierre Rolland2005—
0 (this device)K243910RetraxilKulzer, LLC2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200910
FIG. 1 — Lineage of K243910, 2005–2025Source: 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 MVL? 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 MVL device

  1. #1 K254239 CyClean Cordscore 11.4 · 2 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
*K050180Expa-Syl
Summary page 5
…21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K050180 Expasyl MVL KO92384…
Produits Dentaires Pierre Rolland2005—
*K092384LiquicordCentrix, Inc.2009—

Also cleared against K050180: 6 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?

  • None of the 2 ancestors has a recall.
  • 6 other devices also cite its predicate K050180.

How does its category compare?

All MVL devices

MVL Cord, Retraction: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · MVL

1in 2025

2008: 12009: 32010: 42011: 22012: 12013: 22014: 22015: 22017: 42018: 12019: 12020: 22021: 12022: 22025: 12026 (partial year): 2
2007high 4 (2010) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MVL

227in 2017

2009: 91 days median2010: 79 days median2017: 227 days median
2007high 227 (2017) · low 79 (2010)2026

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

Recalls per year · MVL

1so far in 2026, the most since 2007

2026 (partial year): 1
2007high 1 (2026) · low 0 (2007)2026

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

Adverse event reports per year · MVL

1in 2025

2009: 12010: 12012: 72013: 52014: 22021: 32022: 12024: 12025: 1
2007high 7 (2012) · low 0 (2007)2025

MAUDE reports naming product code MVL, 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
20070—00
20081—00
200939101
201047901
20112—00
20121—07
20132—05
20142—02
20152—00
20160—00
2017422700
20181—00
20191—00
20202—00
20211—03
20222—01
20230—00
20240—01
20251—01
20262—1—

What is it indicated for?

For the temporary displacement of the marginal gingiva and drying of the gingival sulcus, e.g. for

* conventional or digital impressions,

* cementation of temporary and permanent restorations

* and the creation of Class II and V fillings.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243910: Retraxil.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243910

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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