510(k) Report

510(k) · Cleared

Cleared

Arrowhead Mini-Rail Fixator

K162032510(k) TraditionalCleared Feb 21, 2017214-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

Arrowhead De, LLC · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component

Cleared on Feb 21, 2017 as substantially equivalent to K080071 (Wrightmedicaltechnologyinc, 2008) and 2 other predicates after a 214-day review. Its family tree reaches back 9 generations to 1996. 1 later device descends from it.

Decided
Feb 21, 2017
Review
214 days
Class
Class II
Product code
KTT
Recalls
None
Predicates
3

Its longest line of descent runs back 9 generations to K962823 (1996). 46 ancestors in all, the oldest K792022 (1979). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2015: 1 other ancestor2008: 1 other ancestor2010: 1 other ancestor2007: 1 other ancestor1996: 5 other ancestors2006: 3 other ancestors2003: 3 other ancestors2002: 5 other ancestors2000: 3 other ancestors1998: 2 other ancestors2005: 2 other ancestors2004: 1 other ancestor2001: 2 other ancestors1995: 1 other ancestor1979: 1 other ancestor1994: 2 other ancestors1993: 2 other ancestors1999: 1 other ancestor2025: 1 descendant clearedK962823 · Synthes Sterile 3.0 MM Cannulated Screw and Threaded Washer · Synthes (Usa) · 1996K993762 · I.CO.S Screw · New Deal, S.A. · 2000K024233 · Kompressor Screw System · Kinetikos Medical, Inc. · 2003K040356 · Kompressor Screw System · Kinetikos Medical, Inc. · 2004K060071 · Nexa Compression Screw · Nexa Orthopedics, Inc. · 2006K063298 · Osteomed Headless Cannulated Screw System · Osteomed LP · 2007K083912 · Treu; Bone Screws, Schanz Screws, Kirschner Wires, Steinmann Pins, Larsen Pins · Treu-Instrumente GmbH · 2009K112254 · Apex Kirschner Wires and Steinmann Pins · Apex Tools & Orthopedics Co. · 2011K121004 · Apex Kirschner Wires and Steinmann Pins · Apex Tools & Orthopedics Co. · 201219801990200020102020
  1. Root · 9 generations backK962823 Synthes Sterile 3.0 MM Cannulated Screw and Threaded WasherSynthes (Usa) · 1996
  2. 5 generations between
  3. 3 generations backK083912 Treu; Bone Screws, Schanz Screws, Kirschner Wires, Steinmann Pins…Treu-Instrumente GmbH · 2009
  4. 2 generations backK112254 Apex Kirschner Wires and Steinmann PinsApex Tools & Orthopedics Co. · 2011
  5. 1 generation backK121004 Apex Kirschner Wires and Steinmann PinsApex Tools & Orthopedics Co. · 2012
  6. This deviceK162032 Arrowhead Mini-Rail FixatorArrowhead De, LLC · 2017
  7. Descendant · cites it directly · 0 of its ownK252106 External Fixation Mini Rail SystemParagon 28, Inc. · 2025
Show all 9 generations
  1. Root · 9 generations backK962823 Synthes Sterile 3.0 MM Cannulated Screw and Threaded WasherSynthes (Usa) · 1996
  2. 8 generations backK993762 I.CO.S ScrewNew Deal, S.A. · 2000
  3. 7 generations backK024233 Kompressor Screw SystemKinetikos Medical, Inc. · 2003
  4. 6 generations backK040356 Kompressor Screw SystemKinetikos Medical, Inc. · 2004
  5. 5 generations backK060071 Nexa Compression ScrewNexa Orthopedics, Inc. · 2006
  6. 4 generations backK063298 Osteomed Headless Cannulated Screw SystemOsteomed LP · 2007
  7. 3 generations backK083912 Treu; Bone Screws, Schanz Screws, Kirschner Wires, Steinmann Pins…Treu-Instrumente GmbH · 2009
  8. 2 generations backK112254 Apex Kirschner Wires and Steinmann PinsApex Tools & Orthopedics Co. · 2011
  9. 1 generation backK121004 Apex Kirschner Wires and Steinmann PinsApex Tools & Orthopedics Co. · 2012
  10. This deviceK162032 Arrowhead Mini-Rail FixatorArrowhead De, LLC · 2017

Most influential descendants

Showing 1 of 1 · See all
  • K252106External Fixation Mini Rail SystemParagon 28, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K962823Synthes Sterile 3.0 MM Cannulated Screw and Threaded WasherSynthes (Usa)1996—
−8K993762I.CO.S ScrewNew Deal, S.A.2000—
−7K024233Kompressor Screw SystemKinetikos Medical, Inc.2003—
−6K040356Kompressor Screw SystemKinetikos Medical, Inc.2004—
−5K060071Nexa Compression ScrewNexa Orthopedics, Inc.2006—
−4K063298Osteomed Headless Cannulated Screw SystemOsteomed LP2007—
−3K083912Treu; Bone Screws, Schanz Screws, Kirschner Wires, Steinmann Pins, Larsen PinsTreu-Instrumente GmbH2009—
−2K112254Apex Kirschner Wires and Steinmann PinsApex Tools & Orthopedics Co.2011—
−1K121004Apex Kirschner Wires and Steinmann PinsApex Tools & Orthopedics Co.2012—
0 (this device)K162032Arrowhead Mini-Rail FixatorArrowhead De, LLC2017—
+1K252106External Fixation Mini Rail SystemParagon 28, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
199320
199420
199510
199650
199820
199910
200030
200120
200250
200330
200410
200520
200630
200710
200810
201010
201510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K162032, 1996–2025Source: 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 KTT? 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 KTT device

  1. #1 K242861 TrueLok Elevatescore 21.3 · 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? (3)

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
*K080071Sidekick Rail Fixator
Summary page 5
…162032 Page 2 of 2 Predicate SIDEKICK Rail Fixator K080071 Devices Apex Kirschner Wires and Steinmann Pins K121004 ST.A.R.90 F4 External Fixation Screws…
Wrightmedicaltechnologyinc2008—
*K121004Apex Kirschner Wires and Steinmann Pins
Summary page 5
…Page 2 of 2 Predicate SIDEKICK Rail Fixator K080071 Devices Apex Kirschner Wires and Steinmann Pins K121004 ST.A.R.90 F4 External Fixation Screws With Hydroxyapatite K150661…
Apex Tools & Orthopedics Co.2012—
*K150661ST.A.R. 90 F4 External Fixation Screws With Hydroxyapatite
Summary page 5
…irschner Wires and Steinmann Pins K121004 ST.A.R.90 F4 External Fixation Screws With Hydroxyapatite K150661 Device The Arrowhead Mini-Rail Fixator is a unilateral fixator that provides a Description stable solution fo…
Citieffe S.R.L.2015—

Also cleared against K080071: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K252106External Fixation Mini Rail SystemParagon 28, Inc.20250

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 21 years and passes through 8 companies; a new generation was cleared every 2.2 years on median.
  • 4 of the 46 ancestors have a recall of any class.
  • Of its descendants, K252106 (Paragon 28, Inc., 2025) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K080071.

How does its category compare?

All KTT devices

KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · KTT

10in 2025

2007: 92008: 112009: 112010: 122011: 102012: 92013: 72014: 142015: 122016: 102017: 112018: 62019: 82020: 92021: 102022: 32023: 72024: 52025: 102026 (partial year): 5
2007high 14 (2014) · low 3 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KTT

88in 2025

2007: 55 days median2008: 73 days median2009: 94 days median2010: 148 days median2011: 157 days median2012: 140 days median2013: 87 days median2014: 129 days median2015: 60 days median2016: 142 days median2017: 184 days median2018: 149 days median2019: 110 days median2020: 200 days median2021: 83 days median2022: 25 days median2023: 29 days median2024: 90 days median2025: 88 days median2026 (partial year): 68 days median
2007high 200 (2020) · low 25 (2022)2026

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

Recalls per year · KTT

2in 2021

2007: 22008: 12009: 22010: 12012: 42013: 72017: 12018: 142019: 32021: 22026 (partial year): 11
2007high 14 (2018) · low 0 (2011)2026

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

Adverse event reports per year · KTT

673in 2025

2007: 452008: 662009: 452010: 1212011: 1962012: 5272013: 8982014: 4452015: 4012016: 4002017: 4852018: 5972019: 8002020: 9422021: 9612022: 6272023: 5542024: 5232025: 673
2007high 961 (2021) · low 45 (2007)2025

MAUDE reports naming product code KTT, 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
2007955245
20081173166
20091194245
2010121481121
2011101570196
201291404527
20137877898
2014141290445
201512600401
2016101420400
2017111841485
2018614914597
201981103800
202092000942
202110832961
20223250627
20237290554
20245900523
202510880673
202656811—

What is it indicated for?

The Arrowhead Mini-Rail Fixator is indicated for stabilizing various fractures including open and comminuted fractures, infected non-unions, fractures with length discrepancies, fusions and corrective osteotomies of the metacarpal, metatarsal, ulnar, and calcaneal bones.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K162032: Arrowhead Mini-Rail Fixator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K162032

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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