510(k) Report

510(k) · Cleared

Cleared

Mini Maxlock Extreme Plating System

K121437510(k) SpecialCleared Jun 13, 201229-day reviewClass II21 CFR 888.3030

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

Orthohelix Surgical Designs, Inc. · HRS Plate, Fixation, Bone

Cleared on Jun 13, 2012 as substantially equivalent to K120157 (Orthohelix Surgical Designs, Inc., 2012) after a 29-day review. Its family tree reaches back 11 generations to 1996. 38 later devices descend from it.

Decided
Jun 13, 2012
Review
29 days
Class
Class II
Product code
HRS
Recalls
None
Predicates
1

Its longest line of descent runs back 11 generations to K954385 (1996). 35 ancestors in all, the oldest K920738 (1992). 38 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2010: 1 other ancestor2008: 2 other ancestors2006: 3 other ancestors2005: 1 other ancestor2009: 1 other ancestor2000: 3 other ancestors2002: 2 other ancestors1992: 1 other ancestor2001: 2 other ancestors1999: 1 other ancestor1996: 2 other ancestors1994: 3 other ancestors1995: 1 other ancestor1997: 1 other ancestor2023: 4 descendants cleared2020: 6 descendants cleared2017: 6 descendants cleared2014: 1 descendant cleared2018: 2 descendants cleared2021: 5 descendants cleared2025: 2 descendants cleared2026: 4 descendants cleared2019: 4 descendants cleared2022: 1 descendant cleared2024: 3 descendants clearedK954385 · Synthes Mandibular Modular Fixation System · Synthes (Usa) · 1996K974555 · Synthes 2.0 MM Locking Plate System (2.0 LPS) · Synthes (Usa) · 1998K030448 · Osteomed 2.0 Locking Plates and Screws · Osteomed LP · 2003K032442 · KLS-Martin Mandibular/Reconstruction System II · KLS-Martin L.P. · 2003K040598 · KLS Martin Hand Plating System · KLS-Martin L.P. · 2004K050868 · Maxlock · Orthohelix Surgical Designs, Inc. · 2005K073624 · Modular Foot System · Orthohelix Surgical Designs, Inc. · 2008 · recalledK100618 · Maxlock Extreme Extremity Plating System with Variable Angle Technology · Orthohelix Surgical Designs, Inc. · 2010K102156 · Maxlock Extreme Extremity Plating System Distal Radius Plates and Screws · Orthohelix Surgical Designs, Inc. · 2010 · recalledK111041 · Mini Variable System · Orthohelix Surgical Designs, Inc. · 2011K120157 · Mini Maxlock Extreme Plating System · Orthohelix Surgical Designs, Inc. · 20121990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 3 other ancestors4 generations back: 5 other ancestors5 generations back: 2 other ancestors6 generations back: 5 other ancestors7 generations back: 4 other ancestors8 generations back: 3 other ancestors9 generations back: 1 other ancestor 1 generation forward: 4 descendants2 generations forward: 10 descendants3 generations forward: 6 descendants4 generations forward: 8 descendants5 generations forward: 5 descendants6 generations forward: 3 descendants7 generations forward: 1 descendant8 generations forward: 1 descendant K120157 · Mini Maxlock Extreme Plating System · Orthohelix Surgical Designs, Inc. · 2012K111041 · Mini Variable System · Orthohelix Surgical Designs, Inc. · 2011K102156 · Maxlock Extreme Extremity Plating System Distal Radius Plates and Screws · Orthohelix Surgical Designs, Inc. · 2010 · recalledK100618 · Maxlock Extreme Extremity Plating System with Variable Angle Technology · Orthohelix Surgical Designs, Inc. · 2010K073624 · Modular Foot System · Orthohelix Surgical Designs, Inc. · 2008 · recalledK050868 · Maxlock · Orthohelix Surgical Designs, Inc. · 2005K040598 · KLS Martin Hand Plating System · KLS-Martin L.P. · 2004K032442 · KLS-Martin Mandibular/Reconstruction System II · KLS-Martin L.P. · 2003K030448 · Osteomed 2.0 Locking Plates and Screws · Osteomed LP · 2003K974555 · Synthes 2.0 MM Locking Plate System (2.0 LPS) · Synthes (Usa) · 1998K954385 · Synthes Mandibular Modular Fixation System · Synthes (Usa) · 1996−10−50+5
  1. Root · 11 generations backK954385 Synthes Mandibular Modular Fixation SystemSynthes (Usa) · 1996
  2. 7 generations between
  3. 3 generations backK102156 Maxlock Extreme Extremity Plating System Distal Radius Plates and…Orthohelix Surgical Designs, Inc. · 2010 · Recalled
  4. 2 generations backK111041 Mini Variable SystemOrthohelix Surgical Designs, Inc. · 2011
  5. 1 generation backK120157 Mini Maxlock Extreme Plating SystemOrthohelix Surgical Designs, Inc. · 2012
  6. This deviceK121437 Mini Maxlock Extreme Plating SystemOrthohelix Surgical Designs, Inc. · 2012
  7. Descendant · cites it directly · 31 of its ownK140397 Paralock Plating System / Tuffnek ScrewParagon 28 · 2014
  8. Descendant · 2 generations on · 9 of its ownK170693 Phantom Small Bone Intramedullary Nail SystemParagon 28, Inc. · 2017
  9. Descendant · 3 generations on · 8 of its ownK182307 Small Bone Phantom® Intramedullary Nail System; TTC Phantom®…Paragon 28, Inc. · 2019
  10. Descendant · 2 generations on · 8 of its ownK170214 Additive Orthopaedics Locking Lattice PlateAdditive Orthopaedics, LLC · 2017
  11. Descendant · 4 generations on · 6 of its ownK192163 TTC Phantom® Intramedullary Nail SystemParagon 28, Inc. · 2020
Show all 11 generations
  1. Root · 11 generations backK954385 Synthes Mandibular Modular Fixation SystemSynthes (Usa) · 1996
  2. 10 generations backK974555 Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa) · 1998
  3. 9 generations backK030448 Osteomed 2.0 Locking Plates and ScrewsOsteomed LP · 2003
  4. 8 generations backK032442 KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P. · 2003
  5. 7 generations backK040598 KLS Martin Hand Plating SystemKLS-Martin L.P. · 2004
  6. 6 generations backK050868 MaxlockOrthohelix Surgical Designs, Inc. · 2005
  7. 5 generations backK073624 Modular Foot SystemOrthohelix Surgical Designs, Inc. · 2008 · Recalled
  8. 4 generations backK100618 Maxlock Extreme Extremity Plating System with Variable Angle…Orthohelix Surgical Designs, Inc. · 2010
  9. 3 generations backK102156 Maxlock Extreme Extremity Plating System Distal Radius Plates and…Orthohelix Surgical Designs, Inc. · 2010 · Recalled
  10. 2 generations backK111041 Mini Variable SystemOrthohelix Surgical Designs, Inc. · 2011
  11. 1 generation backK120157 Mini Maxlock Extreme Plating SystemOrthohelix Surgical Designs, Inc. · 2012
  12. This deviceK121437 Mini Maxlock Extreme Plating SystemOrthohelix Surgical Designs, Inc. · 2012

Showing 5 of 38 descendants. See all descendants

Descendants cleared per year

2014: 12017: 62018: 22019: 42020: 62021: 52022: 12023: 42024: 32025: 22026: 4
2014high 6 (2017) · low 0 (2015)2026

Most influential descendants

Showing 5 of 38 · See all
  • K140397Paralock Plating System / Tuffnek ScrewParagon 28 · 2014 · cites it directly31descendants
  • K170693Phantom Small Bone Intramedullary Nail SystemParagon 28, Inc. · 2017 · 2 generations on9descendants
  • K182307Small Bone Phantom® Intramedullary Nail System; TTC Phantom® Intramedullary Nail SystemParagon 28, Inc. · 2019 · 3 generations on8descendants
  • K170214Additive Orthopaedics Locking Lattice PlateAdditive Orthopaedics, LLC · 2017 · 2 generations on8descendants
  • K192163TTC Phantom® Intramedullary Nail SystemParagon 28, Inc. · 2020 · 4 generations on6descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K954385Synthes Mandibular Modular Fixation SystemSynthes (Usa)1996—
−10K974555Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa)1998—
−9K030448Osteomed 2.0 Locking Plates and ScrewsOsteomed LP2003—
−8K032442KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P.2003—
−7K040598KLS Martin Hand Plating SystemKLS-Martin L.P.2004—
−6K050868MaxlockOrthohelix Surgical Designs, Inc.2005—
−5K073624Modular Foot SystemOrthohelix Surgical Designs, Inc.20081
−4K100618Maxlock Extreme Extremity Plating System with Variable Angle TechnologyOrthohelix Surgical Designs, Inc.2010—
−3K102156Maxlock Extreme Extremity Plating System Distal Radius Plates and ScrewsOrthohelix Surgical Designs, Inc.20101
−2K111041Mini Variable SystemOrthohelix Surgical Designs, Inc.2011—
−1K120157Mini Maxlock Extreme Plating SystemOrthohelix Surgical Designs, Inc.2012—
0 (this device)K121437Mini Maxlock Extreme Plating SystemOrthohelix Surgical Designs, Inc.2012—
+1K140397Paralock Plating System / Tuffnek ScrewParagon 282014—
+2K170693Phantom Small Bone Intramedullary Nail SystemParagon 28, Inc.2017—
+3K182307Small Bone Phantom® Intramedullary Nail System; TTC Phantom® Intramedullary…Paragon 28, Inc.2019—
+2K170214Additive Orthopaedics Locking Lattice PlateAdditive Orthopaedics, LLC2017—
+4K192163TTC Phantom® Intramedullary Nail SystemParagon 28, Inc.2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199430
199510
199620
199710
199910
200030
200120
200220
200510
200630
200820
200910
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201410
201760
201820
201940
202060
202150
202210
202340
202430
202520
202640
FIG. 1 — Lineage of K121437, 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 HRS? 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 HRS device

  1. #1 K222465 Tyber Medical Anatomical Plating Systemscore 27.5 · 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
*K120157Mini Maxlock Extreme Plating System
Summary page 1
…treme® Plating System is substantially equivalent to the existing OrthoHelix Mini MaxL-ock Extreme® Plating System (K120157). Calculations and finite element analysis comparing the strength of the subject and predicate devices…
Orthohelix Surgical Designs, Inc.2012—

Also cleared against K120157: 6 other devices →

What descends from it? (38)

See all 38

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

NumberDeviceApplicantDecidedDescendants
K140397Paralock Plating System / Tuffnek ScrewParagon 28201431
K172178Minimally Invasive Bunion Plating SystemTrilliant Surgical, Ltd.20174
K233154SkyOPS™ Orthopedic Plate SystemSky Surgical, LLC20231
K191867ATLAS Plating SystemMiRus, LLC20200

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 16 years and passes through 4 companies; a new generation was cleared every 10 months on median.
  • 8 of the 35 ancestors have a recall of any class.
  • Of its descendants, K140397 (Paragon 28, 2014) has gone furthest, with 31 descendants of its own.
  • 6 other devices also cite its predicate K120157.

How does its category compare?

All HRS devices

HRS Plate, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.

FDA decisions per year · HRS

54in 2025

2007: 352008: 352009: 472010: 492011: 432012: 592013: 562014: 762015: 562016: 442017: 572018: 402019: 462020: 482021: 402022: 472023: 402024: 542025: 542026 (partial year): 51
2007high 76 (2014) · low 35 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HRS

90in 2025

2007: 63 days median2008: 87 days median2009: 85 days median2010: 100 days median2011: 88 days median2012: 106 days median2013: 89 days median2014: 57 days median2015: 97 days median2016: 109 days median2017: 122 days median2018: 116 days median2019: 89 days median2020: 88 days median2021: 87 days median2022: 144 days median2023: 120 days median2024: 96 days median2025: 90 days median2026 (partial year): 82 days median
2007high 144 (2022) · low 57 (2014)2026

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

Recalls per year · HRS

1in 2025

2007: 22008: 112009: 32010: 162011: 52012: 42013: 112015: 72016: 52017: 32018: 22019: 252020: 12021: 92022: 32023: 12025: 12026 (partial year): 3
2007high 25 (2019) · low 0 (2014)2026

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

Adverse event reports per year · HRS

2,306in 2025

2007: 3392008: 3112009: 4352010: 4912011: 7732012: 1,6632013: 2,6432014: 2,4132015: 3,0952016: 2,2762017: 2,2202018: 2,6632019: 3,3592020: 2,7902021: 2,4422022: 1,7002023: 2,0492024: 1,8492025: 2,306
2007high 3,359 (2019) · low 311 (2008)2025

MAUDE reports naming product code HRS, 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
200735632339
2008358711311
200947853435
20104910016491
201143885773
20125910641,663
20135689112,643
2014765702,413
2015569773,095
20164410952,276
20175712232,220
20184011622,663
20194689253,359
2020488812,790
2021408792,442
20224714431,700
20234012012,049
2024549601,849
2025549012,306
202651823—

What is it indicated for?

The Mini MaxLock Extreme® Plating System is intended to stabilize and aid in the repair of fractures, fusions, and osteotomies for small bones and bone fragments.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K121437: Mini Maxlock Extreme Plating System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121437

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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