510(k) Report

510(k) · Cleared

Cleared

Arthrex FibuLock Nail

K173656510(k) SpecialCleared Jul 26, 2018239-day reviewClass II21 CFR 888.3020

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

Arthrex, Inc. · HSB Rod, Fixation, Intramedullary And Accessories

Cleared on Jul 26, 2018 as substantially equivalent to K160069 (Sonoma Orthopedics Products, Inc., 2016) after a 239-day review. Its family tree reaches back 5 generations to 1992. 3 later devices descend from it.

Decided
Jul 26, 2018
Review
239 days
Class
Class II
Product code
HSB
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K913949 (1992). 7 ancestors in all. 3 later devices descend from it, 3 citing it directly.

  1. Root · 5 generations backK913949 True/Flex Humerus, Ulna & Radius Intramed Rods SysApplied Osteo Systems, Inc. · 1992
  2. 4 generations backK031438 Acumed Small Bone Locking Rod System IIAcumed, LLC · 2003 · Recalled
  3. 3 generations backK071944 Acumed Small Bone Locking System IIAcumed, LLC · 2007
  4. 2 generations backK142945 Sonoma Fibula Repair SystemSonoma Orthopedic Products, Inc. · 2015
  5. 1 generation backK160069 Sonoma Fibula Repair SystemSonoma Orthopedics Products, Inc. · 2016
  6. This deviceK173656 Arthrex FibuLock NailArthrex, Inc. · 2018
  7. Descendant · cites it directly · 0 of its ownK252196 Arthrex FibuLock Nail SystemArthrex, Inc. · 2026
  8. Descendant · cites it directly · 0 of its ownK250197 Estremo Fibular NailCitieffe S.R.L. · 2025
  9. Descendant · cites it directly · 0 of its ownK234128 Phantom Fibula Nail SystemParagon 28, Inc. · 2024 · Recalled

Most influential descendants

Showing 3 of 3 · See all
  • K252196Arthrex FibuLock Nail SystemArthrex, Inc. · 2026 · cites it directly0descendants
  • K250197Estremo Fibular NailCitieffe S.R.L. · 2025 · cites it directly0descendants
  • K234128Phantom Fibula Nail SystemParagon 28, Inc. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K913949True/Flex Humerus, Ulna & Radius Intramed Rods SysApplied Osteo Systems, Inc.1992—
−4K031438Acumed Small Bone Locking Rod System IIAcumed, LLC20031
−3K071944Acumed Small Bone Locking System IIAcumed, LLC2007—
−2K142945Sonoma Fibula Repair SystemSonoma Orthopedic Products, Inc.2015—
−1K160069Sonoma Fibula Repair SystemSonoma Orthopedics Products, Inc.2016—
0 (this device)K173656Arthrex FibuLock NailArthrex, Inc.2018—
+1K252196Arthrex FibuLock Nail SystemArthrex, Inc.2026—
+1K250197Estremo Fibular NailCitieffe S.R.L.2025—
+1K234128Phantom Fibula Nail SystemParagon 28, Inc.20241

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
202510
202610
FIG. 1 — Lineage of K173656, 1992–2026Source: 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 HSB? 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 HSB device

  1. #1 K200869 Gamma3 Systemscore 19.8 · 8 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
*K160069Sonoma Fibula Repair System
Summary page 4
…ntramedullary and Accessories Product Code HSB Classification Name 21 CFR 888.3020: Intramedullary Fixation Rod Regulatory Class II Predicate Device K160069: Sonoma Fibula Repair System Purpose of This Special 510(k) premarket notification is submitted to obtain clearance fo…
Sonoma Orthopedics Products, Inc.2016—

Also cleared against K160069: 2 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K252196Arthrex FibuLock Nail SystemArthrex, Inc.20260
K250197Estremo Fibular NailCitieffe S.R.L.20250
K234128Phantom Fibula Nail SystemParagon 28, 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 26 years and passes through 5 companies; a new generation was cleared every 4.1 years on median.
  • 2 of the 7 ancestors have a recall of any class.
  • Of its descendants, K252196 (Arthrex, Inc., 2026) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K160069.

How does its category compare?

All HSB devices

HSB Rod, Fixation, Intramedullary And Accessories: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · HSB

15in 2025

2007: 82008: 112009: 182010: 142011: 162012: 172013: 182014: 192015: 222016: 82017: 232018: 172019: 132020: 172021: 102022: 122023: 112024: 132025: 152026 (partial year): 18
2007high 23 (2017) · low 8 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HSB

106in 2025

2007: 68 days median2008: 57 days median2009: 86 days median2010: 117 days median2011: 78 days median2012: 112 days median2013: 105 days median2014: 147 days median2015: 111 days median2016: 124 days median2017: 119 days median2018: 134 days median2019: 132 days median2020: 112 days median2021: 94 days median2022: 172 days median2023: 162 days median2024: 195 days median2025: 106 days median2026 (partial year): 151 days median
2007high 195 (2024) · low 57 (2008)2026

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

Recalls per year · HSB

18in 2025

2008: 92009: 812010: 182011: 22012: 72013: 142014: 32015: 32016: 62017: 662018: 562019: 62020: 62021: 22022: 12023: 12024: 12025: 182026 (partial year): 1
2007high 81 (2009) · low 0 (2007)2026

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

Adverse event reports per year · HSB

2,911in 2025

2007: 1622008: 1842009: 3342010: 4542011: 6622012: 1,0792013: 1,7732014: 1,4742015: 1,6712016: 1,9202017: 1,4472018: 3,5262019: 2,5172020: 3,2992021: 4,1112022: 2,7332023: 2,2192024: 2,8692025: 2,911
2007high 4,111 (2021) · low 162 (2007)2025

MAUDE reports naming product code HSB, 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
20078680162
200811579184
2009188681334
20101411718454
201116782662
20121711271,079
201318105141,773
20141914731,474
20152211131,671
2016812461,920
201723119661,447
201817134563,526
20191313262,517
20201711263,299
2021109424,111
20221217212,733
20231116212,219
20241319512,869
202515106182,911
2026181511—

What is it indicated for?

The Arthrex FibuLock Nail is intended for use in the fixation of fibula fractures and osteotomies.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173656: Arthrex FibuLock Nail.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173656

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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