510(k) Report

510(k) · Cleared

Cleared

Synthes 2.4 MM Universal Locking Plate System

K961421510(k) TraditionalCleared Jun 26, 199675-day reviewClass II21 CFR 872.4760

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

Synthes (Usa) · JEY Plate, Bone

Cleared on Jun 26, 1996 after a 75-day review. The FDA summary names its predicate without a number. 462 later devices descend from it.

Decided
Jun 26, 1996
Review
75 days
Class
Class II
Product code
JEY
Recalls
None
Predicates
0

462 later devices descend from it, 6 citing it directly.

Descendants, by year cleared 2007: 2 descendants cleared2003: 4 descendants cleared2019: 22 descendants cleared1998: 1 descendant cleared1999: 2 descendants cleared2004: 1 descendant cleared2017: 32 descendants cleared2024: 54 descendants cleared2018: 18 descendants cleared2006: 1 descendant cleared2008: 2 descendants cleared2012: 17 descendants cleared2002: 1 descendant cleared2005: 2 descendants cleared2009: 1 descendant cleared2010: 5 descendants cleared2014: 21 descendants cleared2013: 10 descendants cleared2025: 40 descendants cleared2015: 28 descendants cleared2026: 51 descendants cleared2016: 18 descendants cleared2011: 4 descendants cleared2020: 29 descendants cleared2021: 28 descendants cleared2022: 29 descendants cleared2023: 39 descendants cleared1995200020052010201520202025
  1. This deviceK961421 Synthes 2.4 MM Universal Locking Plate SystemSynthes (Usa) · 1996
  2. Descendant · cites it directly · 457 of its ownK974555 Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa) · 1998
  3. Descendant · 2 generations on · 444 of its ownK030448 Osteomed 2.0 Locking Plates and ScrewsOsteomed LP · 2003
  4. Descendant · cites it directly · 435 of its ownK032442 KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P. · 2003
  5. Descendant · 2 generations on · 360 of its ownK040598 KLS Martin Hand Plating SystemKLS-Martin L.P. · 2004
  6. Descendant · 3 generations on · 343 of its ownK050868 MaxlockOrthohelix Surgical Designs, Inc. · 2005

Showing 5 of 462 descendants. See all descendants

Descendants cleared per year

1998: 11999: 22002: 12003: 42004: 12005: 22006: 12007: 22008: 22009: 12010: 52011: 42012: 172013: 102014: 212015: 282016: 182017: 322018: 182019: 222020: 292021: 282022: 292023: 392024: 542025: 402026: 51
1998high 54 (2024) · low 0 (2000)2026

Most influential descendants

Showing 5 of 462 · See all
  • K974555Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa) · 1998 · cites it directly457descendants
  • K030448Osteomed 2.0 Locking Plates and ScrewsOsteomed LP · 2003 · 2 generations on444descendants
  • K032442KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P. · 2003 · cites it directly435descendants
  • K040598KLS Martin Hand Plating SystemKLS-Martin L.P. · 2004 · 2 generations on360descendants
  • K050868MaxlockOrthohelix Surgical Designs, Inc. · 2005 · 3 generations on343descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K961421Synthes 2.4 MM Universal Locking Plate SystemSynthes (Usa)1996—
+1K974555Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa)1998—
+2K030448Osteomed 2.0 Locking Plates and ScrewsOsteomed LP2003—
+1K032442KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P.2003—
+2K040598KLS Martin Hand Plating SystemKLS-Martin L.P.2004—
+3K050868MaxlockOrthohelix Surgical Designs, Inc.2005—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
199920
200210
200340
200410
200520
200610
200720
200820
200910
201050
201140
2012170
2013100
2014210
2015280
2016180
2017320
2018180
2019220
2020290
2021280
2022290
2023390
2024540
2025400
2026510
FIG. 1 — Lineage of K961421, 1996–2026Source: 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), 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 JEY? 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 JEY device

  1. #1 K252246 Leforte MMF Systemscore 15.6 · 16 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? (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
*—Synthes 2.7 mm Reconstruction Plate System
Named without a submission number
—

What descends from it? (462)

See all 462

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

NumberDeviceApplicantDecidedDescendants
K974555Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa)1998457
K032442KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P.2003435
K992682Modus 2.5 Mandibular Reconstruction SetMedartis AG19992
K992683Modus 2.5 Mandibular Trauma SetMedartis AG19992
K192655Depuy Synthes Maxillofacial Portfolio - MR ConditionalSynthes (USA) Products, LLC20190
K071612Modus Trilock 2.0/2.3/2.5Medartis AG20070

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, K974555 (Synthes (Usa), 1998) has gone furthest, with 457 descendants of its own.

How does its category compare?

All JEY devices

JEY Plate, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · JEY

2in 2025

2007: 92008: 72009: 42010: 62011: 52012: 102013: 82014: 62015: 72016: 12017: 52018: 72019: 62020: 62021: 42022: 52023: 22024: 52025: 22026 (partial year): 3
2007high 10 (2012) · low 1 (2016)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · JEY

159in 2024

2007: 115 days median2008: 84 days median2009: 121 days median2010: 199 days median2011: 75 days median2012: 194 days median2013: 126 days median2014: 223 days median2015: 160 days median2017: 190 days median2018: 255 days median2019: 163 days median2020: 198 days median2021: 299 days median2022: 135 days median2024: 159 days median2026 (partial year): 258 days median
2007high 299 (2021) · low 75 (2011)2026

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

Recalls per year · JEY

1in 2020

2008: 32009: 62010: 852013: 12020: 1
2007high 85 (2010) · low 0 (2007)2026

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

Adverse event reports per year · JEY

1,003in 2025

2007: 292008: 242009: 932010: 2152011: 2412012: 4282013: 7662014: 6162015: 7672016: 5582017: 5682018: 6082019: 5952020: 6802021: 4512022: 3442023: 4952024: 6962025: 1,003
2007high 1,003 (2025) · low 24 (2008)2025

MAUDE reports naming product code JEY, 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
20079115029
2008784324
20094121693
2010619985215
20115750241
2012101940428
201381261766
201462230616
201571600767
20161—0558
201751900568
201872550608
201961630595
202061981680
202142990451
202251350344
20232—0495
202451590696
20252—01,003
202632580—

What is it indicated for?

The Synthes 2.4 mm ULPS is a plate and screw system, that is intended for mandible trauma and reconstruction procedures.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K961421: Synthes 2.4 MM Universal Locking Plate System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K961421

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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