510(k) · Cleared
ClearedArthrex Small External Fixation System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Arthrex, Inc. · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component
Cleared on Oct 18, 2023 as substantially equivalent to K141912 (Advanced Orthopaedic Solutions, Inc., 2014) after a 30-day review. Its family tree reaches back 3 generations to 1996.
- Decided
- Oct 18, 2023
- Review
- 30 days
- Class
- Class II
- Product code
- KTT
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 3 generations to K961916 (1996). 23 ancestors in all, the oldest K861766 (1986). No later device cites it as a predicate yet.
- Root · 3 generations backK961916 Hoffmann II Carbon Connecting RodHowmedica, Inc. · 1996
- 2 generations backK080408 External Fixation Clamp 5.0 MM Pin X9.5MM Rod, Model 1151-100…Advanced Orthopaedic Solutions, Inc. · 2008
- 1 generation backK141912 Aos Small Bone External Fixation, Threaded Half Pins, Aos Small Bone…Advanced Orthopaedic Solutions, Inc. · 2014
- This deviceK232897 Arthrex Small External Fixation SystemArthrex, Inc. · 2023
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K961916 | Hoffmann II Carbon Connecting Rod | Howmedica, Inc. | 1996 | — |
| −2 | K080408 | External Fixation Clamp 5.0 MM Pin X9.5MM Rod, Model 1151-100, External… | Advanced Orthopaedic Solutions, Inc. | 2008 | — |
| −1 | K141912 | Aos Small Bone External Fixation, Threaded Half Pins, Aos Small Bone External… | Advanced Orthopaedic Solutions, Inc. | 2014 | — |
| 0 (this device) | K232897 | Arthrex Small External Fixation System | Arthrex, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1986 | 1 | 0 |
| 1992 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 2001 | 1 | 0 |
| 2003 | 4 | 0 |
| 2004 | 2 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2008 | 1 | 0 |
| 2010 | 1 | 0 |
| 2013 | 1 | 0 |
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 K242861 TrueLok Elevatescore 21.4 · 14 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K141912 | Aos Small Bone External Fixation, Threaded Half Pins, Aos Small Bone External Fixation…Summary page 4…omponent metallic bone fixation appliances and accessories Regulatory Class II Predicate Device AOS Small External Fixation System (K141912) Purpose of Submission This Special 510(k) premarket notification is submitted to obtain clearance for… | 2014 |
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 3 companies; a new generation was cleared every 9.0 years on median.
- 8 of the 23 ancestors have a recall of any class.
How does its category compare?
All KTT devicesKTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · KTT
10in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KTT
88in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KTT
2in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KTT
673in 2025
MAUDE reports naming product code KTT, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 9 | 55 | 2 | 45 |
| 2008 | 11 | 73 | 1 | 66 |
| 2009 | 11 | 94 | 2 | 45 |
| 2010 | 12 | 148 | 1 | 121 |
| 2011 | 10 | 157 | 0 | 196 |
| 2012 | 9 | 140 | 4 | 527 |
| 2013 | 7 | 87 | 7 | 898 |
| 2014 | 14 | 129 | 0 | 445 |
| 2015 | 12 | 60 | 0 | 401 |
| 2016 | 10 | 142 | 0 | 400 |
| 2017 | 11 | 184 | 1 | 485 |
| 2018 | 6 | 149 | 14 | 597 |
| 2019 | 8 | 110 | 3 | 800 |
| 2020 | 9 | 200 | 0 | 942 |
| 2021 | 10 | 83 | 2 | 961 |
| 2022 | 3 | 25 | 0 | 627 |
| 2023 | 7 | 29 | 0 | 554 |
| 2024 | 5 | 90 | 0 | 523 |
| 2025 | 10 | 88 | 0 | 673 |
| 2026 | 5 | 68 | 11 | — |
What is it indicated for?
Arthrex Small External Fixation System is intended to be used in the stabilization of open and/or unstable fractures in anatomies such as the hand, wrist, forearm, foot, and ankle where soft tissue injury may preclude the use of other fracture treatments. The Arthrex Small External Fixation System is intended to be non-weight bearing.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K232897 · printed Nov 4, 2026
Cite this page
510(k) Report. “K232897: Arthrex Small External Fixation System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K232897
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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