510(k) Report

510(k) · Cleared

Cleared

AxSOS 3 Ti

K181091510(k) TraditionalCleared Oct 11, 2018170-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

Stryker GmbH · HRS Plate, Fixation, Bone

Cleared on Oct 11, 2018 as substantially equivalent to K172350 (Stryker GmbH, 2017) after a 170-day review. Its family tree reaches back 16 generations to 1996. 11 later devices descend from it.

Decided
Oct 11, 2018
Review
170 days
Class
Class II
Product code
HRS
Recalls
None
Predicates
1

Its longest line of descent runs back 16 generations to K954385 (1996). 94 ancestors in all, the oldest K875156 (1988). 11 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1996: 5 other ancestors2014: 2 other ancestors2006: 8 other ancestors1995: 3 other ancestors1994: 4 other ancestors1988: 1 other ancestor2010: 2 other ancestors2009: 2 other ancestors2005: 7 other ancestors2004: 4 other ancestors2001: 8 other ancestors2008: 2 other ancestors2007: 1 other ancestor2003: 4 other ancestors2000: 9 other ancestors1999: 4 other ancestors2002: 4 other ancestors1998: 3 other ancestors1992: 1 other ancestor1991: 1 other ancestor1990: 1 other ancestor1989: 1 other ancestor1997: 1 other ancestor2023: 4 descendants cleared2020: 1 descendant cleared2024: 2 descendants cleared2025: 1 descendant cleared2026: 3 descendants clearedReference device: K083573 · Synthes (Usa) 3.5MM Locking Attachment Plates · Synthes (Usa) · 2009K954385 · 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) K132591 · Maxlock Extreme System · Orthohelix Surgical Designs, Inc. · 2013K153379 · AxSOS 3Ti · Stryker GmbH · 2016K162439 · AxSOS 3 Ti; Stryker Plating System · Stryker GmbH · 2017K172350 · AxSOS 3 Ti · Stryker GmbH · 20171990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 6 other ancestors4 generations back: 10 other ancestors5 generations back: 15 other ancestors6 generations back: 13 other ancestors7 generations back: 14 other ancestors8 generations back: 7 other ancestors9 generations back: 5 other ancestors10 generations back: 4 other ancestors11 generations back: 3 other ancestors 1 generation forward: 3 descendants2 generations forward: 5 descendants3 generations forward: 2 descendants4 generations forward: 1 descendant K172350 · AxSOS 3 Ti · Stryker GmbH · 2017K162439 · AxSOS 3 Ti; Stryker Plating System · Stryker GmbH · 2017K153379 · AxSOS 3Ti · Stryker GmbH · 2016K132591 · Maxlock Extreme System · Orthohelix Surgical Designs, Inc. · 2013K123203 · 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) · 1996−15−10−50
  1. Root · 16 generations backK954385 Synthes Mandibular Modular Fixation SystemSynthes (Usa) · 1996
  2. 12 generations between
  3. 3 generations backK153379 AxSOS 3TiStryker GmbH · 2016
  4. 2 generations backK162439 AxSOS 3 Ti; Stryker Plating SystemStryker GmbH · 2017
  5. 1 generation backK172350 AxSOS 3 TiStryker GmbH · 2017
  6. This deviceK181091 AxSOS 3 TiStryker GmbH · 2018
  7. Descendant · cites it directly · 9 of its ownK200398 AxSOS 3 AF System and AxSOS 3 Ti SystemStryker GmbH · 2020
  8. Descendant · 2 generations on · 8 of its ownK222381 PeriPRO™ Femur System, Variable Angle Fixation System, AxSOS 3Ti…Stryker GmbH · 2023
  9. Descendant · cites it directly · 4 of its ownK231262 Pangea Femur Plating System, Pangea Fibula Plating System, Pangea…Stryker GmbH · 2023
  10. Descendant · 2 generations on · 2 of its ownK250163 T2 Alpha Femur Retrograde Nailing SystemStryker GmbH · 2025
  11. Descendant · 2 generations on · 1 of its ownK253640 T2 Alpha Femur Retrograde Nailing System; Pangea Femur…Stryker GmbH · 2026
Show all 16 generations
  1. Root · 16 generations backK954385 Synthes Mandibular Modular Fixation SystemSynthes (Usa) · 1996
  2. 15 generations backK974555 Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa) · 1998
  3. 14 generations backK030448 Osteomed 2.0 Locking Plates and ScrewsOsteomed LP · 2003
  4. 13 generations backK032442 KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P. · 2003
  5. 12 generations backK040598 KLS Martin Hand Plating SystemKLS-Martin L.P. · 2004
  6. 11 generations backK050868 MaxlockOrthohelix Surgical Designs, Inc. · 2005
  7. 10 generations backK073624 Modular Foot SystemOrthohelix Surgical Designs, Inc. · 2008 · Recalled
  8. 9 generations backK100618 Maxlock Extreme Extremity Plating System with Variable Angle…Orthohelix Surgical Designs, Inc. · 2010
  9. 8 generations backK102156 Maxlock Extreme Extremity Plating System Distal Radius Plates and…Orthohelix Surgical Designs, Inc. · 2010 · Recalled
  10. 7 generations backK113048 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2012
  11. 6 generations backK122005 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2012
  12. 5 generations backK123203 Maxlock Extreme System Model MXLOrthohelix Surgical Designs, Inc. · 2012
  13. 4 generations backK132591 Maxlock Extreme SystemOrthohelix Surgical Designs, Inc. · 2013
  14. 3 generations backK153379 AxSOS 3TiStryker GmbH · 2016
  15. 2 generations backK162439 AxSOS 3 Ti; Stryker Plating SystemStryker GmbH · 2017
  16. 1 generation backK172350 AxSOS 3 TiStryker GmbH · 2017
  17. This deviceK181091 AxSOS 3 TiStryker GmbH · 2018

Showing 5 of 11 descendants. See all descendants

Descendants cleared per year

2020: 12023: 42024: 22025: 12026: 3
2020high 4 (2023) · low 0 (2021)2026

Most influential descendants

Showing 5 of 11 · See all
  • K200398AxSOS 3 AF System and AxSOS 3 Ti SystemStryker GmbH · 2020 · cites it directly9descendants
  • K222381PeriPRO™ Femur System, Variable Angle Fixation System, AxSOS 3Ti, Stryker Plating SystemStryker GmbH · 2023 · 2 generations on8descendants
  • K231262Pangea Femur Plating System, Pangea Fibula Plating System, Pangea Tibia Plating System…Stryker GmbH · 2023 · cites it directly4descendants
  • K250163T2 Alpha Femur Retrograde Nailing SystemStryker GmbH · 2025 · 2 generations on2descendants
  • K253640T2 Alpha Femur Retrograde Nailing System; Pangea Femur Reconstruction SystemStryker GmbH · 2026 · 2 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−16K954385Synthes Mandibular Modular Fixation SystemSynthes (Usa)1996—
−15K974555Synthes 2.0 MM Locking Plate System (2.0 LPS)Synthes (Usa)1998—
−14K030448Osteomed 2.0 Locking Plates and ScrewsOsteomed LP2003—
−13K032442KLS-Martin Mandibular/Reconstruction System IIKLS-Martin L.P.2003—
−12K040598KLS Martin Hand Plating SystemKLS-Martin L.P.2004—
−11K050868MaxlockOrthohelix Surgical Designs, Inc.2005—
−10K073624Modular Foot SystemOrthohelix Surgical Designs, Inc.20081
−9K100618Maxlock Extreme Extremity Plating System with Variable Angle TechnologyOrthohelix Surgical Designs, Inc.2010—
−8K102156Maxlock Extreme Extremity Plating System Distal Radius Plates and ScrewsOrthohelix Surgical Designs, Inc.20101
−7K113048Maxlock Extreme SystemOrthohelix Surgical Designs, Inc.2012—
−6K122005Maxlock Extreme SystemOrthohelix Surgical Designs, Inc.2012—
−5K123203Maxlock Extreme System Model MXLOrthohelix Surgical Designs, Inc.2012—
−4K132591Maxlock Extreme SystemOrthohelix Surgical Designs, Inc.2013—
−3K153379AxSOS 3TiStryker GmbH2016—
−2K162439AxSOS 3 Ti; Stryker Plating SystemStryker GmbH2017—
−1K172350AxSOS 3 TiStryker GmbH2017—
0 (this device)K181091AxSOS 3 TiStryker GmbH2018—
+1K200398AxSOS 3 AF System and AxSOS 3 Ti SystemStryker GmbH2020—
+2K222381PeriPRO™ Femur System, Variable Angle Fixation System, AxSOS 3Ti, Stryker…Stryker GmbH2023—
+1K231262Pangea Femur Plating System, Pangea Fibula Plating System, Pangea Tibia…Stryker GmbH2023—
+2K250163T2 Alpha Femur Retrograde Nailing SystemStryker GmbH2025—
+2K253640T2 Alpha Femur Retrograde Nailing System; Pangea Femur Reconstruction SystemStryker GmbH2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810
198910
199010
199110
199210
199440
199530
199650
199710
199830
199940
200090
200180
200240
200340
200440
200570
200680
200710
200820
200920
201020
201420

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202340
202420
202510
202630
FIG. 1 — Lineage of K181091, 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
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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
*K172350AxSOS 3 Ti
Summary page 4
…[email protected] Phone: 201.831.5655 Date Prepared: April , 2018 Primary Predicate: AxSOS 3 Ti System (K172350) Reference Predicate: Synthes 3.5mm Locking Attachment Plate (K083573) Section 9: 510(k…
Stryker GmbH2017—
†K083573Synthes (Usa) 3.5MM Locking Attachment PlatesSynthes (Usa)2009—

Also cleared against K172350: 1 other device →

What descends from it? (11)

See all 11

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

NumberDeviceApplicantDecidedDescendants
K200398AxSOS 3 AF System and AxSOS 3 Ti SystemStryker GmbH20209
K231262Pangea Femur Plating System, Pangea Fibula Plating System, Pangea Tibia Plating System…Stryker GmbH20234
K242436Proximal Humerus Fixation SystemSkeletal Dynamics, Inc.20240

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 22 years and passes through 5 companies; a new generation was cleared every 10 months on median.
  • 18 of the 94 ancestors have a recall of any class.
  • Of its descendants, K200398 (Stryker GmbH, 2020) has gone furthest, with 9 descendants of its own.
  • 1 other device also cites its predicate K172350.

How does its category compare?

All HRS devices

HRS Plate, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, 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?

AxSOS 3 Ti is intended for long bone fracture fixation.

Indications include:

* Diaphyseal, metaphyseal,epiphyseal,extra- and intra-articular fractures

* Non-unions and malunions

* Normal and osteopenic bone

* Osteotomies

* Periprosthetic fractures of the femur and proximal tibia.

The AxSOS 3 Ti Waisted Compression Plates are also indicated from fracture fixation of:

* Periprosthetic fractures

* Diaphyseal and metaphyseal areas of long bones in pediatric patients

The 4mm Waisted Compression Plate indications also include fixation of the scapula and the pelvis.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K181091: AxSOS 3 Ti.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K181091

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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