510(k) · Cleared
ClearedOAKTREE Anterior Lumbar Plate and Screw System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Oak Tree Engineering, LLC · KWQ Appliance, Fixation, Spinal Intervertebral Body
Cleared on Dec 7, 2022 as substantially equivalent to K211932 (Oak Tree Engineering, LLC, 2021) and 1 other predicate after a 259-day review. Its family tree reaches back 10 generations to 1999.
- Decided
- Dec 7, 2022
- Review
- 259 days
- Class
- Class II
- Product code
- KWQ
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 10 generations to K990745 (1999). 66 ancestors in all, the oldest K922087 (1992). No later device cites it as a predicate yet.
- Root · 10 generations backK990745 Modification to Synthes Universal Spinal SystemSynthes Spine · 1999
- 6 generations between
- 3 generations backK142699 LITe Plate SystemStryker Corporation · 2014
- 2 generations backK192481 AccelFix Lumbar Plate SystemL&K BIOMED Co., Ltd. · 2020
- 1 generation backK211932 Fixxsure Anterior Lumbar Plate and Screw SystemOak Tree Engineering, LLC · 2021
- This deviceK220843 OAKTREE Anterior Lumbar Plate and Screw SystemOak Tree Engineering, LLC · 2022
Show all 10 generations
- Root · 10 generations backK990745 Modification to Synthes Universal Spinal SystemSynthes Spine · 1999
- 9 generations backK992739 Click'xSynthes Spine · 2000 · Recalled
- 8 generations backK040442 Protex Stabilization SystemGlobus Medical, Inc. · 2004
- 7 generations backK052069 Protex Stabilization System with Additional ComponentesGlobus Medical, Inc. · 2005
- 6 generations backK061202 Revere Stabilization SystemGlobus Medical, Inc. · 2006
- 5 generations backK062407 Gateway Thoracolumbar Plate SystemGlobus Medical, Inc. · 2006
- 4 generations backK062836 Citadel Anterior Lumbar Plate SystemGlobus Medical, Inc. · 2006
- 3 generations backK142699 LITe Plate SystemStryker Corporation · 2014
- 2 generations backK192481 AccelFix Lumbar Plate SystemL&K BIOMED Co., Ltd. · 2020
- 1 generation backK211932 Fixxsure Anterior Lumbar Plate and Screw SystemOak Tree Engineering, LLC · 2021
- This deviceK220843 OAKTREE Anterior Lumbar Plate and Screw SystemOak Tree Engineering, LLC · 2022
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −10 | K990745 | Modification to Synthes Universal Spinal System | Synthes Spine | 1999 | — |
| −9 | K992739 | Click'x | Synthes Spine | 2000 | 1 |
| −8 | K040442 | Protex Stabilization System | Globus Medical, Inc. | 2004 | — |
| −7 | K052069 | Protex Stabilization System with Additional Componentes | Globus Medical, Inc. | 2005 | — |
| −6 | K061202 | Revere Stabilization System | Globus Medical, Inc. | 2006 | — |
| −5 | K062407 | Gateway Thoracolumbar Plate System | Globus Medical, Inc. | 2006 | — |
| −4 | K062836 | Citadel Anterior Lumbar Plate System | Globus Medical, Inc. | 2006 | — |
| −3 | K142699 | LITe Plate System | Stryker Corporation | 2014 | — |
| −2 | K192481 | AccelFix Lumbar Plate System | L&K BIOMED Co., Ltd. | 2020 | — |
| −1 | K211932 | Fixxsure Anterior Lumbar Plate and Screw System | Oak Tree Engineering, LLC | 2021 | — |
| 0 (this device) | K220843 | OAKTREE Anterior Lumbar Plate and Screw System | Oak Tree Engineering, LLC | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1995 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 8 | 0 |
| 2003 | 5 | 0 |
| 2005 | 3 | 0 |
| 2006 | 4 | 0 |
| 2007 | 4 | 0 |
| 2008 | 4 | 0 |
| 2009 | 3 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 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 KWQ? 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 KWQ device
- #1 K233640 Segmental Plating System (SPS);IdentiTi SPS…score 21.9 · 31 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K211932 | Fixxsure Anterior Lumbar Plate and Screw SystemSummary page 4…ystem is substantially equivalent to the following predicate(s): 1) Primary Predicate Device: FIXXSURE™ Anterior Lumbar Plate and Screw System (K211932) 2) Additional Predicate Device: AccelFix Lumbar Plate System (K192481) FIXXSURE™ has been licensed through L… | 2021 |
| * | K192481 | AccelFix Lumbar Plate SystemSummary page 4…mary Predicate Device: FIXXSURE™ Anterior Lumbar Plate and Screw System (K211932) 2) Additional Predicate Device: AccelFix Lumbar Plate System (K192481) FIXXSURE™ has been licensed through L&K BIOMED CO., LTD. Reference is made to K192481, AccelFix Lumbar Plate Syst… | 2020 |
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 23 years and passes through 5 companies; a new generation was cleared every 1.2 years on median.
- 9 of the 66 ancestors have a recall of any class.
How does its category compare?
All KWQ devicesKWQ Appliance, Fixation, Spinal Intervertebral Body: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · KWQ
7in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · KWQ
64in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · KWQ
1in 2018
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · KWQ
248in 2025
MAUDE reports naming product code KWQ, 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 | 27 | 101 | 2 | 288 |
| 2008 | 32 | 70 | 33 | 348 |
| 2009 | 23 | 90 | 35 | 355 |
| 2010 | 23 | 104 | 2 | 691 |
| 2011 | 22 | 95 | 5 | 415 |
| 2012 | 26 | 90 | 7 | 544 |
| 2013 | 22 | 88 | 6 | 796 |
| 2014 | 17 | 124 | 0 | 546 |
| 2015 | 25 | 102 | 2 | 562 |
| 2016 | 15 | 121 | 9 | 502 |
| 2017 | 20 | 67 | 8 | 492 |
| 2018 | 22 | 95 | 1 | 341 |
| 2019 | 26 | 81 | 0 | 298 |
| 2020 | 26 | 55 | 0 | 400 |
| 2021 | 17 | 59 | 0 | 591 |
| 2022 | 18 | 85 | 0 | 392 |
| 2023 | 16 | 59 | 0 | 320 |
| 2024 | 17 | 64 | 0 | 419 |
| 2025 | 7 | 64 | 0 | 248 |
| 2026 | 10 | 76 | 0 | — |
What is it indicated for?
The OAKTREE Anterior Lumbar Plate and Screw System is indicated for use via the anterior, lateral or anterolateral surgical approach above the bifurcation of the great vessels or via the anterior surgical approach, below the bifurcation of the great vessels as an adjunct to fusion. This system is indicated in the treatment of lumbar and lumbosacral (L1-S1) spine instability as a result of fracture (including dislocation and subluxation), tumor…
Read the full statement (108 words)
The OAKTREE Anterior Lumbar Plate and Screw System is indicated for use via the anterior, lateral or anterolateral surgical approach above the bifurcation of the great vessels or via the anterior surgical approach, below the bifurcation of the great vessels as an adjunct to fusion. This system is indicated in the treatment of lumbar and lumbosacral (L1-S1) spine instability as a result of fracture (including dislocation and subluxation), tumor, degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc conformed by patient history and radiographic studies), pseudoarthrosis, spondylolysis, scoliosis, spondylolisthesis, lordotic deformities of the spine, spinal stenosis, or a failed previous spine surgery.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K220843 · printed Nov 6, 2026
Cite this page
510(k) Report. “K220843: OAKTREE Anterior Lumbar Plate and Screw System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220843
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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