510(k) Report

510(k) · Cleared

Cleared

HammerTech Fixation System

K161449510(k) TraditionalCleared Oct 11, 2016139-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

Fusion Orthopedics, LLC · HWC Screw, Fixation, Bone

Cleared on Oct 11, 2016 as substantially equivalent to K133636 (Extremity Medical, LLC, 2014) and 1 other predicate after a 139-day review. Its family tree reaches back 5 generations to 1990. 5 later devices descend from it.

Decided
Oct 11, 2016
Review
139 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K901456 (1990). 30 ancestors in all, the oldest K792670 (1980). 5 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2012: 4 other ancestors2008: 1 other ancestor2007: 3 other ancestors2003: 2 other ancestors2010: 1 other ancestor2002: 2 other ancestors2001: 3 other ancestors2000: 1 other ancestor1996: 2 other ancestors2006: 1 other ancestor2004: 1 other ancestor1998: 1 other ancestor1997: 2 other ancestors1980: 1 other ancestor2020: 1 descendant cleared2018: 1 descendant cleared2021: 1 descendant cleared2024: 1 descendant cleared2025: 1 descendant clearedK901456 · Orthosorb (R) Absorbable Pin · Johnson & Johnson International · 1990K031712 · Inion Otps Biodegradable Pin · Inion, Ltd. · 2003K050275 · Modification to: Inion Otps Biodegradable Pin · Inion, Ltd. · 2005K061164 · Activapin · Bioretec, Ltd. · 2006K133636 · Extremity Medical Hammertoe Device · Extremity Medical, LLC · 201419801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 6 other ancestors3 generations back: 9 other ancestors4 generations back: 7 other ancestors5 generations back: 2 other ancestors 1 generation forward: 2 descendants2 generations forward: 1 descendant3 generations forward: 1 descendant4 generations forward: 1 descendant K133636 · Extremity Medical Hammertoe Device · Extremity Medical, LLC · 2014K061164 · Activapin · Bioretec, Ltd. · 2006K050275 · Modification to: Inion Otps Biodegradable Pin · Inion, Ltd. · 2005K031712 · Inion Otps Biodegradable Pin · Inion, Ltd. · 2003K901456 · Orthosorb (R) Absorbable Pin · Johnson & Johnson International · 1990−50
  1. Root · 5 generations backK901456 Orthosorb (R) Absorbable PinJohnson & Johnson International · 1990
  2. 4 generations backK031712 Inion Otps Biodegradable PinInion, Ltd. · 2003
  3. 3 generations backK050275 Modification to: Inion Otps Biodegradable PinInion, Ltd. · 2005
  4. 2 generations backK061164 ActivapinBioretec, Ltd. · 2006
  5. 1 generation backK133636 Extremity Medical Hammertoe DeviceExtremity Medical, LLC · 2014
  6. This deviceK161449 HammerTech Fixation SystemFusion Orthopedics, LLC · 2016
  7. Descendant · cites it directly · 3 of its ownK201850 Vector Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2020
  8. Descendant · 2 generations on · 2 of its ownK213421 Vector® Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2021
  9. Descendant · 3 generations on · 1 of its ownK231453 SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2024
  10. Descendant · 4 generations on · 0 of its ownK250613 SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2025
  11. Descendant · cites it directly · 0 of its ownK182684 HammerTechTM Fixation SystemFusion Orthopedics, LLC · 2018

Most influential descendants

Showing 5 of 5 · See all
  • K201850Vector Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2020 · cites it directly3descendants
  • K213421Vector® Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2021 · 2 generations on2descendants
  • K231453SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2024 · 3 generations on1descendant
  • K250613SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc. · 2025 · 4 generations on0descendants
  • K182684HammerTechTM Fixation SystemFusion Orthopedics, LLC · 2018 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K901456Orthosorb (R) Absorbable PinJohnson & Johnson International1990—
−4K031712Inion Otps Biodegradable PinInion, Ltd.2003—
−3K050275Modification to: Inion Otps Biodegradable PinInion, Ltd.2005—
−2K061164ActivapinBioretec, Ltd.2006—
−1K133636Extremity Medical Hammertoe DeviceExtremity Medical, LLC2014—
0 (this device)K161449HammerTech Fixation SystemFusion Orthopedics, LLC2016—
+1K201850Vector Hammertoe Correction SystemNvision Biomedical Technologies, Inc.2020—
+2K213421Vector® Hammertoe Correction SystemNvision Biomedical Technologies, Inc.2021—
+3K231453SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc.2024—
+4K250613SnapHammer Hammertoe Correction SystemNvision Biomedical Technologies, Inc.2025—
+1K182684HammerTechTM Fixation SystemFusion Orthopedics, LLC2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198010
199620
199720
199810
200010
200130
200220
200320
200410
200610
200730
200810
201010
201240

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
202010
202110
202410
202510
FIG. 1 — Lineage of K161449, 1990–2025Source: 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 HWC? 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 HWC device

  1. #1 K203011 Monster Screw Systemscore 22.2 · 14 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? (2)

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
*K133636Extremity Medical Hammertoe Device
Summary page 4
…Code HWC CFR Section 21 CFR section 888.3040 Device Panel Orthopedic Primary Predicate HammerFiX, Extremity Medical, LLC (K133636) Device Secondary Predicate K-wire, Trilliant Surgical (K121008) Device The HammerTech​® Fixation…
Extremity Medical, LLC2014—
*K121008Trilliant Surgical K-Wires
Summary page 4
…40 Device Panel Orthopedic Primary Predicate HammerFiX, Extremity Medical, LLC (K133636) Device Secondary Predicate K-wire, Trilliant Surgical (K121008) Device The HammerTech​® Fixation System implant is a polyetheretherketone (P…
Trilliant Surgical, Ltd.20121

Also cleared against K133636: 8 other devices →

What descends from it? (5)

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

NumberDeviceApplicantDecidedDescendants
K201850Vector Hammertoe Correction SystemNvision Biomedical Technologies, Inc.20203
K182684HammerTechTM Fixation SystemFusion Orthopedics, LLC20180

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 2.5 years on median.
  • 4 of the 30 ancestors have a recall of any class.
  • Of its descendants, K201850 (Nvision Biomedical Technologies, Inc., 2020) has gone furthest, with 3 descendants of its own.
  • 8 other devices also cite its predicate K133636.

How does its category compare?

All HWC devices

HWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · HWC

15in 2025

2007: 352008: 332009: 272010: 232011: 352012: 202013: 252014: 312015: 412016: 262017: 402018: 202019: 302020: 282021: 262022: 262023: 242024: 172025: 152026 (partial year): 21
2007high 41 (2015) · low 15 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HWC

111in 2025

2007: 77 days median2008: 76 days median2009: 113 days median2010: 110 days median2011: 88 days median2012: 99 days median2013: 90 days median2014: 88 days median2015: 85 days median2016: 131 days median2017: 127 days median2018: 106 days median2019: 108 days median2020: 75 days median2021: 84 days median2022: 167 days median2023: 104 days median2024: 90 days median2025: 111 days median2026 (partial year): 125 days median
2007high 167 (2022) · low 75 (2020)2026

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

Recalls per year · HWC

1in 2025

2007: 252008: 332009: 292010: 72011: 122012: 302013: 142014: 22015: 52016: 42017: 42018: 12019: 52020: 42021: 22022: 132025: 12026 (partial year): 2
2007high 33 (2008) · low 0 (2023)2026

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

Adverse event reports per year · HWC

2,893in 2025

2007: 6692008: 6602009: 6512010: 7652011: 1,1042012: 3,3392013: 3,8502014: 2,5492015: 2,7112016: 2,2852017: 2,5612018: 3,6622019: 5,4632020: 4,8202021: 4,4462022: 3,9342023: 3,7182024: 3,5752025: 2,893
2007high 5,463 (2019) · low 651 (2009)2025

MAUDE reports naming product code HWC, 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
2007357725669
2008337633660
20092711329651
2010231107765
20113588121,104
20122099303,339
20132590143,850
2014318822,549
2015418552,711
20162613142,285
20174012742,561
20182010613,662
20193010855,463
2020287544,820
2021268424,446
202226167133,934
20232410403,718
2024179003,575
20251511112,893
2026211252—

What is it indicated for?

The HammerTech® device is indicated for the fixation of osteotomies and reconstruction of the lesser toes following correction procedures for hammertoe, claw toe and mallet toe.

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. “K161449: HammerTech Fixation System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161449

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