510(k) · Cleared
ClearedReprocessed External Fixation Devices
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Alliance Medical Corp. · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component
Cleared on Jan 27, 2006 as substantially equivalent to K021933 (DePuy Orthopaedics, Inc., 2002) and 3 other predicates after a 102-day review. Its family tree reaches back 2 generations to 1988.
- Decided
- Jan 27, 2006
- Review
- 102 days
- Class
- Class II
- Product code
- KTT
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 2 generations to K875022 (1988). 8 ancestors in all. No later device cites it as a predicate yet.
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −2 | K875022 | Ace/Fisher Percutaneous Transfixing Pins | Buckman Co., Inc. | 1988 | — |
| −1 | K021933 | Tempfix External Fixation System | DePuy Orthopaedics, Inc. | 2002 | — |
| 0 (this device) | K052918 | Reprocessed External Fixation Devices | Alliance Medical Corp. | 2006 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1988 | 1 | 0 |
| 1992 | 1 | 0 |
| 1994 | 1 | 0 |
| 1996 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 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? (4)
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 |
|---|---|---|---|
| * | K021933 | Tempfix External Fixation SystemSummary page 1…iances and Accessories and Smooth or Threaded Metallic Bone Fixation Fastener Predicate Device 510k) Title Manufacturer K021933 _TempFixTM External Fixation System K875022 TempFix'M External-Fixation S stem,MRSafe… | 2002 |
| * | K875022 | Ace/Fisher Percutaneous Transfixing PinsSummary page 1…Metallic Bone Fixation Fastener Predicate Device 510k) Title Manufacturer K021933 _TempFixTM External Fixation System K875022 TempFix'M External-Fixation S stem,MRSafe K875012 ___ ___ DePu ACEAIM®Titanium Supracondylar… | 1988 |
| * | K875012 | Ace/Fischer Percutaneous Half PinsSummary page 1…e Manufacturer K021933 _TempFixTM External Fixation System K875022 TempFix'M External-Fixation S stem,MRSafe K875012 ___ ___ DePu ACEAIM®Titanium Supracondylar Nail K910986 Hoffmann DynamicWrist Fixator Device… | 1988 |
| * | K910986 | Hoffmann Dynamic Wrist FixatorSummary page 1…External Fixation System K875022 TempFix'M External-Fixation S stem,MRSafe K875012 ___ ___ DePu ACEAIM®Titanium Supracondylar Nail K910986 Hoffmann DynamicWrist Fixator Device description: External fixation devices are specially design… | 1992 |
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 18 years and passes through 3 companies; a new generation was cleared every 14.6 years on median.
- 1 of the 8 ancestors has a recall of any class.
- 1 other device also cites its predicate K021933.
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.
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?
Reprocessed external fixation devices are indicated for use in patients requiring external skeletal fixation and treatment of fractures, osteotomy, arthrodesis, correction of deformities, fracture revision, bone reconstruction procedures, limb lengthening, correction of bony or soft tissue deformities and segmental bony or soft tissue defects.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K052918 · printed Nov 6, 2026
Cite this page
510(k) Report. “K052918: Reprocessed External Fixation Devices.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K052918
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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