510(k) Report

510(k) · Cleared

Cleared

Maxlock Extreme System

K132591510(k) SpecialCleared Sep 17, 201329-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 Sep 17, 2013 as substantially equivalent to K123203 (Orthohelix Surgical Designs, Inc., 2012) after a 29-day review. Its family tree reaches back 12 generations to 1996. 32 later devices descend from it.

Decided
Sep 17, 2013
Review
29 days
Class
Class II
Product code
HRS
Recalls
None
Predicates
1

Its longest line of descent runs back 12 generations to K954385 (1996). 39 ancestors in all, the oldest K920738 (1992). 32 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2010: 2 other ancestors2009: 1 other ancestor2006: 5 other ancestors2008: 1 other ancestor2005: 2 other ancestors2000: 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 ancestor2018: 2 descendants cleared2016: 2 descendants cleared2017: 2 descendants cleared2023: 9 descendants cleared2021: 2 descendants cleared2022: 2 descendants cleared2025: 4 descendants cleared2026: 5 descendants cleared2024: 3 descendants cleared2020: 1 descendant 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 · recalledK113048 · Maxlock Extreme System · Orthohelix Surgical Designs, Inc. · 2012×2: 2 generations cleared close together, K122005 (2012), K123203 (2012) 1990200020102020
Other ancestors, by generationDescendants, by generation 4 generations back: 5 other ancestors5 generations back: 6 other ancestors6 generations back: 2 other ancestors7 generations back: 1 other ancestor8 generations back: 5 other ancestors9 generations back: 4 other ancestors10 generations back: 3 other ancestors11 generations back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 5 descendants3 generations forward: 9 descendants4 generations forward: 10 descendants5 generations forward: 5 descendants K123203 · Maxlock Extreme System Model MXL · Orthohelix Surgical Designs, Inc. · 2012K122005 · Maxlock Extreme System · Orthohelix Surgical Designs, Inc. · 2012K113048 · Maxlock Extreme System · Orthohelix Surgical Designs, Inc. · 2012K102156 · 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 · 12 generations backK954385 Synthes Mandibular Modular Fixation SystemSynthes (Usa) · 1996
  2. 8 generations between
  3. 3 generations backK113048 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2012
  4. 2 generations backK122005 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2012
  5. 1 generation backK123203 Maxlock Extreme System Model MXLOrthohelix Surgical Designs, Inc. · 2012
  6. This deviceK132591 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2013
  7. Descendant · cites it directly · 25 of its ownK153379 AxSOS 3TiStryker GmbH · 2016
  8. Descendant · 2 generations on · 24 of its ownK162439 AxSOS 3 Ti; Stryker Plating SystemStryker GmbH · 2017
  9. Descendant · 2 generations on · 17 of its ownK172350 AxSOS 3 TiStryker GmbH · 2017
  10. Descendant · 3 generations on · 11 of its ownK181091 AxSOS 3 TiStryker GmbH · 2018
  11. Descendant · 3 generations on · 10 of its ownK203817 Tyber Medical Anatomical Plating SystemTyber Medical, LLC · 2021
Show all 12 generations
  1. Root · 12 generations backK954385 Synthes Mandibular Modular Fixation SystemSynthes (Usa) · 1996
  2. 11 generations backK974555 Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa) · 1998
  3. 10 generations backK030448 Osteomed 2.0 Locking Plates and ScrewsOsteomed LP · 2003
  4. 9 generations backK032442 KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P. · 2003
  5. 8 generations backK040598 KLS Martin Hand Plating SystemKLS-Martin L.P. · 2004
  6. 7 generations backK050868 MaxlockOrthohelix Surgical Designs, Inc. · 2005
  7. 6 generations backK073624 Modular Foot SystemOrthohelix Surgical Designs, Inc. · 2008 · Recalled
  8. 5 generations backK100618 Maxlock Extreme Extremity Plating System with Variable Angle…Orthohelix Surgical Designs, Inc. · 2010
  9. 4 generations backK102156 Maxlock Extreme Extremity Plating System Distal Radius Plates and…Orthohelix Surgical Designs, Inc. · 2010 · Recalled
  10. 3 generations backK113048 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2012
  11. 2 generations backK122005 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2012
  12. 1 generation backK123203 Maxlock Extreme System Model MXLOrthohelix Surgical Designs, Inc. · 2012
  13. This deviceK132591 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2013

Showing 5 of 32 descendants. See all descendants

Descendants cleared per year

2016: 22017: 22018: 22020: 12021: 22022: 22023: 92024: 32025: 42026: 5
2016high 9 (2023) · low 0 (2019)2026

Most influential descendants

Showing 5 of 32 · See all
  • K153379AxSOS 3TiStryker GmbH · 2016 · cites it directly25descendants
  • K162439AxSOS 3 Ti; Stryker Plating SystemStryker GmbH · 2017 · 2 generations on24descendants
  • K172350AxSOS 3 TiStryker GmbH · 2017 · 2 generations on17descendants
  • K181091AxSOS 3 TiStryker GmbH · 2018 · 3 generations on11descendants
  • K203817Tyber Medical Anatomical Plating SystemTyber Medical, LLC · 2021 · 3 generations on10descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K954385Synthes Mandibular Modular Fixation SystemSynthes (Usa)1996—
−11K974555Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa)1998—
−10K030448Osteomed 2.0 Locking Plates and ScrewsOsteomed LP2003—
−9K032442KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P.2003—
−8K040598KLS Martin Hand Plating SystemKLS-Martin L.P.2004—
−7K050868MaxlockOrthohelix Surgical Designs, Inc.2005—
−6K073624Modular Foot SystemOrthohelix Surgical Designs, Inc.20081
−5K100618Maxlock Extreme Extremity Plating System with Variable Angle TechnologyOrthohelix Surgical Designs, Inc.2010—
−4K102156Maxlock Extreme Extremity Plating System Distal Radius Plates and ScrewsOrthohelix Surgical Designs, Inc.20101
−3K113048Maxlock Extreme SystemOrthohelix Surgical Designs, Inc.2012—
−2K122005Maxlock Extreme SystemOrthohelix Surgical Designs, Inc.2012—
−1K123203Maxlock Extreme System Model MXLOrthohelix Surgical Designs, Inc.2012—
0 (this device)K132591Maxlock Extreme SystemOrthohelix Surgical Designs, Inc.2013—
+1K153379AxSOS 3TiStryker GmbH2016—
+2K162439AxSOS 3 Ti; Stryker Plating SystemStryker GmbH2017—
+2K172350AxSOS 3 TiStryker GmbH2017—
+3K181091AxSOS 3 TiStryker GmbH2018—
+3K203817Tyber Medical Anatomical Plating SystemTyber Medical, LLC2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199430
199510
199620
199710
199910
200030
200120
200220
200520
200650
200810
200910
201020

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201620
201720
201820
202010
202120
202220
202390
202430
202540
202650
FIG. 1 — Lineage of K132591, 1996–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
*K123203Maxlock Extreme System Model MXL
Summary page 1
…21 CFR 888.3030 and 888.3040) Panel: Orthopedic, Product Code: HRS/HWC Predicate Device: The MaxL-ock Extreme' m System is equivalent to K123203. Material Composition: Titanium Alloy, PEEK Device Description: The MaxL-ock Extremem System consists of various size p…
Orthohelix Surgical Designs, Inc.2012—

Also cleared against K123203: 2 other devices →

What descends from it? (32)

See all 32

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

NumberDeviceApplicantDecidedDescendants
K153379AxSOS 3TiStryker GmbH201625
K160191Align Anterior Ankle Fusion PlateExtremity Medical, LLC20165
K181067AlignX Ankle Fusion SystemExtremity Medical, LLC20184

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 17 years and passes through 4 companies; a new generation was cleared every 1.0 years on median.
  • 7 of the 39 ancestors have a recall of any class.
  • Of its descendants, K153379 (Stryker GmbH, 2016) has gone furthest, with 25 descendants of its own.
  • 2 other devices also cite its predicate K123203.

How does its category compare?

All HRS devices

HRS Plate, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, 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 MaxLock Extreme System is indicated for the following: *The MaxLock Extreme Universal Module is indicated for use in adult or pediatric patients as indicated for pelvic, small and long bone fracture fixation and fixation of bones that have been surgically prepared (osteotomy) for correction of deformity or arthrodesis. Indications for use include internal fixation of the tibia, fibula, femur, humerus, ulna, radius, and bones in the hand, wrist, foot…

Read the full statement (141 words)

The MaxLock Extreme System is indicated for the following:

*The MaxLock Extreme Universal Module is indicated for use in adult or pediatric patients as indicated for pelvic, small and long bone fracture fixation and fixation of bones that have been surgically prepared (osteotomy) for correction of deformity or arthrodesis. Indications for use include internal fixation of the tibia, fibula, femur, humerus, ulna, radius, and bones in the hand, wrist, foot and ankle.

*The MaxLock Extreme Clavicle Module is indicated for fractures, fusions and osteotomies of the clavicle and bones in the hand, wrist, foot and ankle.

*The MaxLock Extreme Foot Module is indicated for fractures, fusions and osteotomies of bones in the hand, wrist, foot and ankle in pediatric and adult patients.

*The MaxLock Extreme Distal Radius Module is indicated for fractures and osteotomies of the distal radius in adult patients.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K132591: Maxlock Extreme System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K132591

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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