510(k) · Cleared
ClearedARBOR External Fixation System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Globus Medical, Inc. · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component
Cleared on Jan 12, 2018 as substantially equivalent to K031428 (Synthes (Usa), 2003) and 6 other predicates after a 154-day review. Its family tree reaches back 3 generations to 1986.
- Decided
- Jan 12, 2018
- Review
- 154 days
- Class
- Class II
- Product code
- KTT
- Recalls
- None
- Predicates
- 7
Its longest line of descent runs back 3 generations to K861766 (1986). 14 ancestors in all. No later device cites it as a predicate yet.
- Root · 3 generations backK861766 Howmedica Hoffmann Fixation Pin SystemHowmedica Corp. · 1986
- 2 generations backK964094 MinifixFerguson Medical · 1996
- 1 generation backK093550 Mini Rail External Fixator SystemSmall Bone Innovations, Inc. · 2010
- This deviceK172438 ARBOR External Fixation SystemGlobus Medical, Inc. · 2018
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −3 | K861766 | Howmedica Hoffmann Fixation Pin System | Howmedica Corp. | 1986 | — |
| −2 | K964094 | Minifix | Ferguson Medical | 1996 | — |
| −1 | K093550 | Mini Rail External Fixator System | Small Bone Innovations, Inc. | 2010 | — |
| 0 (this device) | K172438 | ARBOR External Fixation System | Globus Medical, Inc. | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1988 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 3 | 0 |
| 2006 | 2 | 0 |
| 2012 | 2 | 0 |
| 2016 | 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 21.3 · 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? (7)
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 |
|---|---|---|---|
| * | K031428 | Synthes (Usa) Large External Fixation Clamps-MR SafeSummary page 4…essories Product Codes: KTT, LXT Regulatory Class: II, Panel Code: 87 Primary Predicate: Synthes Large External Fixation System (K031428) Additional Gexfix External Fixation System (K052605 & K160972) Predicates: SBi Mini Rail External Fixation Sys… | 2003 |
| * | K052605 | External FixationSummary page 4…Regulatory Class: II, Panel Code: 87 Primary Predicate: Synthes Large External Fixation System (K031428) Additional Gexfix External Fixation System (K052605 & K160972) Predicates: SBi Mini Rail External Fixation System (K093550) Stryker Hoffmann 3 (K122284)… | 2005 |
| * | K160972 | Gexfix External FixationSummary page 4…Regulatory Class: II, Panel Code: 87 Primary Predicate: Synthes Large External Fixation System (K031428) Additional Gexfix External Fixation System (K052605 & K160972) Predicates: SBi Mini Rail External Fixation System (K093550) Stryker Hoffmann 3 (K122284) & Apex Pin… | 2016 |
| * | K093550 | Mini Rail External Fixator SystemSummary page 4…e External Fixation System (K031428) Additional Gexfix External Fixation System (K052605 & K160972) Predicates: SBi Mini Rail External Fixation System (K093550) Stryker Hoffmann 3 (K122284) & Apex Pins (K061493) Synthes Medium External Fixation Syst… | 2010 |
| * | K122284 | Hoffmann 3Summary page 4…Gexfix External Fixation System (K052605 & K160972) Predicates: SBi Mini Rail External Fixation System (K093550) Stryker Hoffmann 3 (K122284) & Apex Pins (K061493) Synthes Medium External Fixation System (K040258) Purpose: The purpose of this submis… | 2012 |
| * | K061493 | Apex PinsSummary page 4…al Fixation System (K052605 & K160972) Predicates: SBi Mini Rail External Fixation System (K093550) Stryker Hoffmann 3 (K122284) & Apex Pins (K061493) Synthes Medium External Fixation System (K040258) Purpose: The purpose of this submission is to request cle… | 2006 |
| * | K040258 | Synthes Medium External Fixation System-MR SafeSummary page 4…il External Fixation System (K093550) Stryker Hoffmann 3 (K122284) & Apex Pins (K061493) Synthes Medium External Fixation System (K040258) Purpose: The purpose of this submission is to request clearance for the ARBOR™ External Fixation System. Device Description: T… | 2004 |
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 32 years and passes through 4 companies; a new generation was cleared every 10.4 years on median.
- 1 of the 14 ancestors has a recall of any class.
- 5 other devices also cite its predicate K031428.
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. 2018, 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?
The ARBOR™ External Fixation System is indicated for use in construction of an external fixation frame for the treatment of pediatric and adult fractures and/or reconstruction of long bones, small bones (including metacarpal and metatarsal), and the pelvis. The ARBOR™ External Fixation System is intended for: • Stabilization of open or closed fractures with soft tissue injuries; • Polytrauma; • Vertically stable pelvic fractures or as a treatment adjunct…
Read the full statement (131 words)
The ARBOR™ External Fixation System is indicated for use in construction of an external fixation frame for the treatment of pediatric and adult fractures and/or reconstruction of long bones, small bones (including metacarpal and metatarsal), and the pelvis.
The ARBOR™ External Fixation System is intended for:
• Stabilization of open or closed fractures with soft tissue injuries;
• Polytrauma;
• Vertically stable pelvic fractures or as a treatment adjunct for vertically unstable pelvic fractures;
• Arthrodesis and osteotomies with soft tissue problems;
• Revision procedures where other devices have been unsuccessful including failures of total joints;
• Neutralization of fractures stabilized with limited internal fixation;
• Non-unions/septic non-unions;
• Intraoperative reduction/stabilization tool to assist with indirect reduction;
• Correction of deformity; and
• Unilateral rectilinear bone segment transport or leg lengthening.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K172438 · printed Nov 6, 2026
Cite this page
510(k) Report. “K172438: ARBOR External 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/K172438
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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