510(k) Report

510(k) · Cleared

Cleared

dynaMX Intramedullary Implant

K170326510(k) TraditionalCleared Jul 20, 2017168-day reviewClass II21 CFR 888.3040

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

Arthrex, Inc. · HTY Pin, Fixation, Smooth

Cleared on Jul 20, 2017 as substantially equivalent to K960385 (Depuy, Inc., 1996) and 4 other predicates after a 168-day review. Its family tree reaches back 6 generations to 2002. 2 later devices descend from it.

Decided
Jul 20, 2017
Review
168 days
Class
Class II
Product code
HTY
Recalls
None
Predicates
5

Its longest line of descent runs back 6 generations to K013888 (2002). 22 ancestors in all, the oldest K954330 (1995). 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2014: 1 other ancestor2012: 2 other ancestors2007: 1 other ancestor1996: 2 other ancestors2013: 2 other ancestors2010: 2 other ancestors2002: 1 other ancestor1997: 1 other ancestor2008: 1 other ancestor1998: 1 other ancestor2001: 1 other ancestor1995: 1 other ancestor2019: 1 descendant cleared2023: 1 descendant clearedK013888 · Fixation (Steinmann) Pins · Miltex, Inc. · 2002K031050 · PCW Percutaneous Compression Wire · Millennium Medical Technologies, Inc. · 2003K062863 · Osteomed Extended 2.0/2.4CANNULATED Screw System · Osteomed LP · 2006K111536 · Metasurg Digifuse Implant · Metasurg · 2011K122959 · Hammer Toe Implant · Trilliant Surgical, Ltd. · 2012 · recalledK140148 · Pro-Toe Hammertoe Fixation System · Wrightmedicaltechnologyinc · 20141995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 4 other ancestors2 generations back: 6 other ancestors3 generations back: 3 other ancestors5 generations back: 3 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant K140148 · Pro-Toe Hammertoe Fixation System · Wrightmedicaltechnologyinc · 2014K122959 · Hammer Toe Implant · Trilliant Surgical, Ltd. · 2012 · recalledK111536 · Metasurg Digifuse Implant · Metasurg · 2011K062863 · Osteomed Extended 2.0/2.4CANNULATED Screw System · Osteomed LP · 2006K031050 · PCW Percutaneous Compression Wire · Millennium Medical Technologies, Inc. · 2003K013888 · Fixation (Steinmann) Pins · Miltex, Inc. · 2002−50
  1. Root · 6 generations backK013888 Fixation (Steinmann) PinsMiltex, Inc. · 2002
  2. 5 generations backK031050 PCW Percutaneous Compression WireMillennium Medical Technologies, Inc. · 2003
  3. 4 generations backK062863 Osteomed Extended 2.0/2.4CANNULATED Screw SystemOsteomed LP · 2006
  4. 3 generations backK111536 Metasurg Digifuse ImplantMetasurg · 2011
  5. 2 generations backK122959 Hammer Toe ImplantTrilliant Surgical, Ltd. · 2012 · Recalled
  6. 1 generation backK140148 Pro-Toe Hammertoe Fixation SystemWrightmedicaltechnologyinc · 2014
  7. This deviceK170326 dynaMX Intramedullary ImplantArthrex, Inc. · 2017
  8. Descendant · cites it directly · 1 of its ownK190287 Arthrex DynaNite® PIP (Hammertoe) ImplantArthrex, Inc. · 2019
  9. Descendant · 2 generations on · 0 of its ownK231147 Hammerdesis™ Interphalangeal Fusion SystemIntelivation · 2023

Most influential descendants

Showing 2 of 2 · See all
  • K190287Arthrex DynaNite® PIP (Hammertoe) ImplantArthrex, Inc. · 2019 · cites it directly1descendant
  • K231147Hammerdesis™ Interphalangeal Fusion SystemIntelivation · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K013888Fixation (Steinmann) PinsMiltex, Inc.2002—
−5K031050PCW Percutaneous Compression WireMillennium Medical Technologies, Inc.2003—
−4K062863Osteomed Extended 2.0/2.4CANNULATED Screw SystemOsteomed LP2006—
−3K111536Metasurg Digifuse ImplantMetasurg2011—
−2K122959Hammer Toe ImplantTrilliant Surgical, Ltd.20121
−1K140148Pro-Toe Hammertoe Fixation SystemWrightmedicaltechnologyinc2014—
0 (this device)K170326dynaMX Intramedullary ImplantArthrex, Inc.2017—
+1K190287Arthrex DynaNite® PIP (Hammertoe) ImplantArthrex, Inc.2019—
+2K231147Hammerdesis™ Interphalangeal Fusion SystemIntelivation2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199620
199710
199810
200110
200210
200710
200810
201020
201220
201320
201410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201910
202310
FIG. 1 — Lineage of K170326, 2002–2023Source: 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 HTY? 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 HTY device

  1. #1 K231272 OSSIOfiber® Pin Product Family, OSSIOfiber®…score 19.3 · 14 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? (5)

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
*K960385Sterile Kirschner Wires and Steinmann Pins
Summary page 4
…888.3040 Predicate Device DePuy (Primary Predicate) Sterile Kirschner Wires and Steinmann Pins [510(k) Number K960385] OrthoHelix Intraosseous Fixation System [510(k) Number…
Depuy, Inc.1996—
*K120165Intraosseous Fixation System
Summary page 4
…[510(k) Number K960385] OrthoHelix Intraosseous Fixation System [510(k) Number K120165] Wright Medical PRO-TOE® Hammertoe Fixation System [510(k) N…
Orthohelix Surgical Designs, Inc.2012—
*K140148Pro-Toe Hammertoe Fixation System
Summary page 4
…[510(k) Number K120165] Wright Medical PRO-TOE® Hammertoe Fixation System [510(k) Number K140148] BioMedical Enterprises HammerLock® 2 [510(k) Number K133520]…
Wrightmedicaltechnologyinc2014—
*K133520Hammerlock 2
Summary page 4
…[510(k) Number K140148] BioMedical Enterprises HammerLock® 2 [510(k) Number K133520] Memometal Technologies Smart Toe and X-Fuse [510(k) Number K070598]…
Biomedical Enterprises, Inc.2014—
*K070598Memometal Intra-Medullary Bone Fastener, Models Smart Toe / X-Fuse
Summary page 4
…[510(k) Number K133520] Memometal Technologies Smart Toe and X-Fuse [510(k) Number K070598] K170326 - Page 2 of 5 Description The dynaMẌ™ Intramedullary Implant…
Memometal Technologies2007—

Also cleared against K960385: 16 other devices →

What descends from it? (2)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K190287Arthrex DynaNite® PIP (Hammertoe) ImplantArthrex, Inc.20191

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 15 years and passes through 7 companies; a new generation was cleared every 3.3 years on median.
  • 2 of the 22 ancestors have a recall of any class.
  • Of its descendants, K190287 (Arthrex, Inc., 2019) has gone furthest, with 1 descendant of its own.
  • 16 other devices also cite its predicate K960385.

How does its category compare?

All HTY devices

HTY Pin, Fixation, Smooth: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · HTY

5in 2025

2007: 62008: 62009: 22010: 92011: 62012: 42013: 42014: 82015: 82016: 62017: 52018: 42019: 42020: 52021: 52022: 42023: 52024: 12025: 52026 (partial year): 2
2007high 9 (2010) · low 1 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HTY

90in 2025

2007: 112 days median2008: 86 days median2010: 180 days median2011: 82 days median2012: 76 days median2013: 128 days median2014: 73 days median2015: 101 days median2016: 114 days median2017: 127 days median2018: 162 days median2019: 93 days median2020: 108 days median2021: 137 days median2022: 121 days median2023: 146 days median2025: 90 days median
2007high 180 (2010) · low 73 (2014)2026

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

Recalls per year · HTY

2in 2022

2009: 12010: 12016: 22019: 12022: 22026 (partial year): 1
2007high 2 (2016) · low 0 (2007)2026

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

Adverse event reports per year · HTY

39in 2025

2007: 462008: 382009: 362010: 332011: 1642012: 1292013: 1872014: 1492015: 1212016: 1282017: 822018: 1382019: 2222020: 2102021: 1482022: 962023: 1532024: 2972025: 39
2007high 297 (2024) · low 33 (2010)2025

MAUDE reports naming product code HTY, 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
20076112046
2008686038
20092—136
20109180133
20116820164
20124760129
201341280187
20148730149
201581010121
201661142128
20175127082
201841620138
20194931222
202051080210
202151370148
20224121296
202351460153
20241—0297
2025590039
20262—1—

What is it indicated for?

The dynaMX™ Intramedullary Fixation Device is indicated to stabilize and aid in the fixation of fractures, fusions, and osteotomies of the phalanges.

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. “K170326: dynaMX Intramedullary Implant.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K170326

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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