510(k) Report

510(k) · Cleared

Recalled · 2009

Synthes (Usa) Distraction Osteogenesis System

K051600510(k) TraditionalCleared Jul 27, 200541-day reviewClass II21 CFR 888.3030Recalls 1

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

Synthes (Usa) · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component

Cleared on Jul 27, 2005 after a 41-day review. The FDA summary names its predicate without a number. It has been recalled once.

Decided
Jul 27, 2005
Review
41 days
Class
Class II
Product code
KTT
Recalls
1
Predicates
0

The FDA summary names its predicate without a number.

FIG. 1 — Lineage of K051600Source: FDA 510(k) database · 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
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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
*—Smith & Nephew Ilizarov External Fixation System
Named without a submission number
—
*—Encore True/Lok External Fixation System
Named without a submission number
—

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Feb 9, 2009Not classifiedZ-1324-2009Process controlNumbers are etched incorrectly on the product.

No ancestor or descendant has a Class I recall.

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.

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 Synthes Distraction Osteogenesis System is intended for fracture fixation (open and closed), pseudoarthrosis or nonunions of long bones, limb lengthening by epiphyseal or metaphyseal distraction, correction of bony or soft tissue deformities, and correction of segmental bony or soft tissue defects.

Indications for use as stated in the FDA summary.

More from Synthes (Usa)

406 FDA decisions under this applicant name. See the company

  • K131984Synthes Synsonic Ulna NailSynthes (Usa) · 2014
  • K111667Synthes Suprapatellar Insertion InstrumentsSynthes (Usa) · 20111 recall
  • K111540Synthes 3.5MM LCP Clavicle Plate SystemSynthes (Usa) · 2011
  • K110789Synthes Sternal Zipfix SystemSynthes (Usa) · 20113 recalls
  • K103002Synthes Multiloc Proximal Humeral Nailing SystemSynthes (Usa) · 20112 recalls

Recent decisions in KTT

The KTT category page

  • K263083Response Ortho Smart Fixator - Hexapod SystemResponse Ortho Solutions, LLC · 2026
  • K254087MAXFRAME AUTOSTRUT™ with Bluetooth Multi-Axial Correction SystemSynthes (USA) Products, LLC · 2026
  • K260900DYNEX® External Fixation SystemsVilex, LLC · 2026
  • K260112QuikFix External Fixator: Knee-Spanning PackStabiliz Orthopaedics, Inc. · 2026
  • K253291Excelsior SystemBlue Ocean Global · 2026

https://510kreport.com/device/K051600 · printed Nov 6, 2026

Cite this page

510(k) Report. “K051600: Synthes (Usa) Distraction Osteogenesis System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051600

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Page last updated Nov 3, 2026