510(k) · Cleared
Recalled · Class II · 2021Smith & Nephew Circular Fixation System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Smith & Nephew, Inc. · KTT Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component
Cleared on Sep 27, 2010 as substantially equivalent to K870961 (Richards Medical Co., Inc., 1987) and 5 other predicates after a 362-day review. Its family tree reaches back 9 generations to 1996. 51 later devices descend from it. It has been recalled once.
- Decided
- Sep 27, 2010
- Review
- 362 days
- Class
- Class II
- Product code
- KTT
- Recalls
- 1
- Predicates
- 6
Its longest line of descent runs back 9 generations to K962616 (1996). 51 ancestors in all, the oldest K792022 (1979). 51 later devices descend from it, 13 citing it directly.
- Root · 9 generations backK962616 Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa) · 1996
- 5 generations between
- 3 generations backK051735 Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper…Smith & Nephew, Inc. · 2005
- 2 generations backK071563 Peri-Loc Periarticular Locked Plating SystemSmith & Nephew, Inc. · 2007
- 1 generation backK090675 Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc. · 2009
- This deviceK093047 Smith & Nephew Circular Fixation SystemSmith & Nephew, Inc. · 2010
- Descendant · cites it directly · 32 of its ownK141078 Orthofix TL-Hex True Lok Hexalobe System (TL-Hex)Orthofix Srl · 2014
- Descendant · 2 generations on · 26 of its ownK143125 Orthofix True Lok Hexapod System VI.3Orthofix Srl · 2014
- Descendant · 3 generations on · 19 of its ownK152171 Orthofix TL-HEX True Lok Hexapod System (TL-HEX) V1.4Orthofix Srl · 2015
- Descendant · cites it directly · 18 of its ownK110069 Smith & Nephew, Inc Spatialframe V4.1 Web-Based SoftwareSmith & Nephew, Inc. · 2011
- Descendant · 4 generations on · 11 of its ownK170650 Orthofix TrueLok Hexapod System (TL-HEX) V2.0Orthofix Srl · 2017 · Recalled
Show all 9 generations
- Root · 9 generations backK962616 Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa) · 1996
- 8 generations backK982732 Synthes (Usa) Distal Radius Plate System (DRPS)Synthes · 1998
- 7 generations backK023007 Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2002
- 6 generations backK030198 Hand Innovations, Inc. Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2003
- 5 generations backK032705 Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2003
- 4 generations backK050932 Distal Volar Radius Anatomical Plate SystemHand Innovations, Inc. · 2005 · Recalled
- 3 generations backK051735 Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper…Smith & Nephew, Inc. · 2005
- 2 generations backK071563 Peri-Loc Periarticular Locked Plating SystemSmith & Nephew, Inc. · 2007
- 1 generation backK090675 Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc. · 2009
- This deviceK093047 Smith & Nephew Circular Fixation SystemSmith & Nephew, Inc. · 2010
Showing 5 of 51 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 51 · See all- K141078Orthofix TL-Hex True Lok Hexalobe System (TL-Hex)Orthofix Srl · 2014 · cites it directly32descendants
- K143125Orthofix True Lok Hexapod System VI.3Orthofix Srl · 2014 · 2 generations on26descendants
- K152171Orthofix TL-HEX True Lok Hexapod System (TL-HEX) V1.4Orthofix Srl · 2015 · 3 generations on19descendants
- K110069Smith & Nephew, Inc Spatialframe V4.1 Web-Based SoftwareSmith & Nephew, Inc. · 2011 · cites it directly18descendants
- K170650Orthofix TrueLok Hexapod System (TL-HEX) V2.0Orthofix Srl · 2017 · 4 generations on11descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K962616 | Synthes Dorsal Distal Radius Plate (DDRP) System | Synthes (Usa) | 1996 | — |
| −8 | K982732 | Synthes (Usa) Distal Radius Plate System (DRPS) | Synthes | 1998 | — |
| −7 | K023007 | Distal Radius Fracture Repair System | Hand Innovations, Inc. | 2002 | — |
| −6 | K030198 | Hand Innovations, Inc. Distal Radius Fracture Repair System | Hand Innovations, Inc. | 2003 | — |
| −5 | K032705 | Distal Radius Fracture Repair System | Hand Innovations, Inc. | 2003 | — |
| −4 | K050932 | Distal Volar Radius Anatomical Plate System | Hand Innovations, Inc. | 2005 | 1 |
| −3 | K051735 | Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper Extremity | Smith & Nephew, Inc. | 2005 | — |
| −2 | K071563 | Peri-Loc Periarticular Locked Plating System | Smith & Nephew, Inc. | 2007 | — |
| −1 | K090675 | Smith & Nephew, Inc. VLP Foot Plating, Screw System and Accessories | Smith & Nephew, Inc. | 2009 | — |
| 0 (this device) | K093047 | Smith & Nephew Circular Fixation System | Smith & Nephew, Inc. | 2010 | — |
| +1 | K141078 | Orthofix TL-Hex True Lok Hexalobe System (TL-Hex) | Orthofix Srl | 2014 | — |
| +2 | K143125 | Orthofix True Lok Hexapod System VI.3 | Orthofix Srl | 2014 | — |
| +3 | K152171 | Orthofix TL-HEX True Lok Hexapod System (TL-HEX) V1.4 | Orthofix Srl | 2015 | — |
| +1 | K110069 | Smith & Nephew, Inc Spatialframe V4.1 Web-Based Software | Smith & Nephew, Inc. | 2011 | — |
| +4 | K170650 | Orthofix TrueLok Hexapod System (TL-HEX) V2.0 | Orthofix Srl | 2017 | 1 |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1979 | 1 | 0 |
| 1987 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 3 | 0 |
| 2005 | 2 | 0 |
| 2006 | 3 | 0 |
| 2008 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 4 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 0 |
| 2017 | 2 | 0 |
| 2018 | 4 | 0 |
| 2019 | 3 | 0 |
| 2020 | 4 | 0 |
| 2021 | 6 | 0 |
| 2022 | 2 | 0 |
| 2023 | 3 | 0 |
| 2024 | 3 | 0 |
| 2025 | 8 | 0 |
| 2026 | 6 | 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? (6)
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 |
|---|---|---|---|
| * | K870961 | Richards External Fixation SystemSummary page 2…Description Sumbmisio Clearance Date Smith & Nephew llizarov (Richards) External Fixation K870961 03-19-1987 ____ ____ ____ ___ System Smith & Nephew lllizarov Ektern… | 1987 |
| * | K962808 | Ilizarov External Fixation SystemSummary page 2…K870961 03-19-1987 ____ ____ ____ ___ System Smith & Nephew lllizarov Ekternal Fixation System K962808 08-19-1996 Smith & Nephew Taylor Spatial Frame K970748… | 1996 |
| * | K970748 | Taylor Spatial Frame External Fixation SystemSummary page 2…lllizarov Ekternal Fixation System K962808 08-19-1996 Smith & Nephew Taylor Spatial Frame K970748 05-09-1997 Smith & Nephew External Fixation System K994143… | 1997 |
| * | K994143 | Smith & Nephew External Fixation System [Unilateral (Linear) & Multilateral (Circular)…Summary page 2…Taylor Spatial Frame K970748 05-09-1997 Smith & Nephew External Fixation System K994143 02-18-2000 Smith & Nephew Jet-X Bar System Clamps, Bar and K072212… | 2000 |
| * | K072212 | Jet-X Bar System Clamps, Bars and Posts-MR SafeSummary page 2…External Fixation System K994143 02-18-2000 Smith & Nephew Jet-X Bar System Clamps, Bar and K072212 03-07-2008 Posts Smith & Nephew VLP Foot Plating. Screw system… | 2008 |
| * | K090675 | Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSummary page 2…K072212 03-07-2008 Posts Smith & Nephew VLP Foot Plating. Screw system and K090675 06-04-2009 Accessories _ _ _ _ _ _ _… | 2009 |
What descends from it? (51)
See all 5113 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K141078 | Orthofix TL-Hex True Lok Hexalobe System (TL-Hex) | 2014 | 32 |
| K110069 | Smith & Nephew, Inc Spatialframe V4.1 Web-Based Software | 2011 | 18 |
| K161417 | DePuy Synthes MAXFRAME Multi-Axial Correction System | 2016 | 8 |
| K151881 | X-Fix Line Additions | 2016 | 7 |
| K130479 | Ilizarov Drill Tip Wires | 2013 | 6 |
| K120871 | Smith & Nephew, Inc. External Fixation System Instrumentation | 2012 | 6 |
| K201253 | Modular Rail System, TAYLOR SPATIAL FRAME External Fixator, JET-X Fixator, ILIZAROV… | 2020 | 5 |
| K140550 | Orthohub External Fixator Software | 2014 | 5 |
| K180539 | Deformity Analysis and Correction Software (DACS) and Instrumentation | 2018 | 4 |
| K193368 | Smart Correction System | 2020 | 3 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jun 17, 2021 | Class II | Z-0245-2022 | Process control | Medicalplastic s.r.l. is conducting a voluntary field action to remove a group of Ilizarov Wire Tensioners due to a manufacturing error. An internal washer of the Ilizarov Wire Tensioner has been made in a wrong plastic material that… |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 14 years and passes through 4 companies; a new generation was cleared every 1.6 years on median.
- 14 of the 51 ancestors have a recall of any class.
- Of its descendants, K141078 (Orthofix Srl, 2014) has gone furthest, with 32 descendants of its own.
- 9 other devices also cite its predicate K870961.
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. 2010, 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 Smith & Nephew Circular Fixation system is intended to be used for the following indications:
* Post-traumatic joint contracture which has resulted in loss of range of motion
* Fractures and disease which generally may result in joint contractures or loss of range of motion and fractures requiring distraction
* Open and closed fracture fixation
* Pseudoarthrosis of long bones
* Limb lengthening by epiphyseal or metaphyseal distraction
* Correction of bony or soft tissue deformities
* Correction of bony or soft tissue defects
* Joint arthrodesis
* Infected fractures or nonunions
Components in the Smith & Nephew Circular Fixation System are for single use only.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K093047 · printed Nov 6, 2026
Cite this page
510(k) Report. “K093047: Smith & Nephew Circular 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/K093047
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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