510(k) Report

510(k) · Cleared

Cleared

DynaNail TTC Fusion System

K250628510(k) TraditionalCleared Sep 12, 2025193-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

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

Cleared on Sep 12, 2025 as substantially equivalent to K171376 (MedShape, Inc., 2017) after a 193-day review. Its family tree reaches back 5 generations to 1998.

Decided
Sep 12, 2025
Review
193 days
Class
Class II
Product code
HSB
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K974781 (1998). 9 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 5 generations backK974781 Depuy Ace Aim (R) Titanium Supracondylar NailDepuy, Inc. · 1998
  2. 4 generations backK023115 Ace VersanailDePuy Orthopaedics, Inc. · 2002
  3. 3 generations backK101934 Dynnail, 12MM, Locking Screw, 4.6 MM, Deployment Frame, Dynnail…Medshape Solutions · 2011
  4. 2 generations backK113828 Dynanail Ankle Arthrodesis NailMedShape, Inc. · 2012
  5. 1 generation backK171376 DynaNail TTC Fusion SystemMedShape, Inc. · 2017
  6. This deviceK250628 DynaNail TTC Fusion SystemMedShape, Inc. · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K974781Depuy Ace Aim (R) Titanium Supracondylar NailDepuy, Inc.1998—
−4K023115Ace VersanailDePuy Orthopaedics, Inc.2002—
−3K101934Dynnail, 12MM, Locking Screw, 4.6 MM, Deployment Frame, Dynnail, Models…Medshape Solutions2011—
−2K113828Dynanail Ankle Arthrodesis NailMedShape, Inc.2012—
−1K171376DynaNail TTC Fusion SystemMedShape, Inc.2017—
0 (this device)K250628DynaNail TTC Fusion SystemMedShape, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199820
199910
200010
FIG. 1 — Lineage of K250628, 1998–2025Source: 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
*K171376DynaNail TTC Fusion System
Summary page 5
…nt in intended use and fundamental scientific technology to its predicate device MedShape, Inc.’s DynaNail TTC Fusion System cleared under 510(k) K171376 on 11/02/2017. The reference devices are Paragon 28 Inc.’s Phantom® Hindfoot TTC/TC Nail System cleared under 510(k)…
MedShape, Inc.2017—
†K251850Phantom® Hindfoot TTC/TC Nail SystemParagon 28, Inc.2025—
†K221031Arthrex DualCompression Hindfoot Fusion Nail Implant SystemArthrex, Inc.2022—

Also cleared against K171376: 6 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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 27 years and passes through 4 companies; a new generation was cleared every 5.7 years on median.
  • 1 of the 9 ancestors has a recall of any class.
  • 6 other devices also cite its predicate K171376.

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. 2025, 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 DynaNail TTC Fusion System is intended for use in tibiotalocalcaneal fusions:

* Post-traumatic and degenerative arthritis.

* Post-traumatic or primary arthrosis involving both ankle and subtalar joints.

* Revision after failed ankle arthrodesis with subtalar involvement.

* Failed total ankle arthroplasty.

* Non-union ankle arthrodesis.

* Rheumatoid hindfoot.

» Absent Talus (requiring tibiocalcaneal arthrodesis).

» Avascular necrosis of the talus.

* Neuroarthropathy or neuropathic ankle deformity.

* Neuromuscular disease and severe deformity.

* Osteoarthritis.

* Charcot Foot.

* Previously infected arthrosis, second degree.

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. “K250628: DynaNail TTC Fusion System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K250628

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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