510(k) · Cleared
ClearedRadius Spinal System, Vitallium Rod #486613601
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Stryker Spine · NKB Thoracolumbosacral Pedicle Screw System
Cleared on Oct 7, 2008 as substantially equivalent to K070631 (Stryker Spine, 2007) and 3 other predicates after a 29-day review. Its family tree reaches back 5 generations to 1995. 200 later devices descend from it.
- Decided
- Oct 7, 2008
- Review
- 29 days
- Class
- Class II
- Product code
- NKB
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 5 generations to K950697 (1995). 33 ancestors in all. 200 later devices descend from it, 5 citing it directly.
- Root · 5 generations backK950697 Depuy Motech Moss Miami Spinal System - Pedicle FixationDepuy Motech · 1995
- 4 generations backK050461 Xia 4.5 Spinal SystemStryker Spine · 2005
- 3 generations backK052761 Modification to: Xia 4.5 Spinal SystemStryker Spine · 2005
- 2 generations backK060361 Xia Spinal System, Xia 4.5 Spinal SystemStryker Spine · 2006 · Recalled
- 1 generation backK060979 Xia Titanium and 4.5 Spinal SystemsStryker Spine · 2006
- This deviceK082608 Radius Spinal System, Vitallium Rod #486613601Stryker Spine · 2008
- Descendant · cites it directly · 169 of its ownK091291 Xia 3 Spinal System, Uniplanner/Reduction Screws & Vitallium RodStryker Spine · 2009
- Descendant · 2 generations on · 111 of its ownK120270 Venus Spinal Fixation SystemL&K BIOMED Co., Ltd. · 2012
- Descendant · cites it directly · 110 of its ownK092631 Mantis Redux Spinal SystemStryker Spine · 2009
- Descendant · 2 generations on · 109 of its ownK102235 Mantis Spinal System & Mantis Redux Spinal SystemStryker Spine · 2010
- Descendant · cites it directly · 90 of its ownK101144 Modification to:Radius Spinal SystemStryker Spine · 2010
Showing 5 of 200 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 200 · See all- K091291Xia 3 Spinal System, Uniplanner/Reduction Screws & Vitallium RodStryker Spine · 2009 · cites it directly169descendants
- K120270Venus Spinal Fixation SystemL&K BIOMED Co., Ltd. · 2012 · 2 generations on111descendants
- K092631Mantis Redux Spinal SystemStryker Spine · 2009 · cites it directly110descendants
- K102235Mantis Spinal System & Mantis Redux Spinal SystemStryker Spine · 2010 · 2 generations on109descendants
- K101144Modification to:Radius Spinal SystemStryker Spine · 2010 · cites it directly90descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K950697 | Depuy Motech Moss Miami Spinal System - Pedicle Fixation | Depuy Motech | 1995 | — |
| −4 | K050461 | Xia 4.5 Spinal System | Stryker Spine | 2005 | — |
| −3 | K052761 | Modification to: Xia 4.5 Spinal System | Stryker Spine | 2005 | — |
| −2 | K060361 | Xia Spinal System, Xia 4.5 Spinal System | Stryker Spine | 2006 | 1 |
| −1 | K060979 | Xia Titanium and 4.5 Spinal Systems | Stryker Spine | 2006 | — |
| 0 (this device) | K082608 | Radius Spinal System, Vitallium Rod #486613601 | Stryker Spine | 2008 | — |
| +1 | K091291 | Xia 3 Spinal System, Uniplanner/Reduction Screws & Vitallium Rod | Stryker Spine | 2009 | — |
| +2 | K120270 | Venus Spinal Fixation System | L&K BIOMED Co., Ltd. | 2012 | — |
| +1 | K092631 | Mantis Redux Spinal System | Stryker Spine | 2009 | — |
| +2 | K102235 | Mantis Spinal System & Mantis Redux Spinal System | Stryker Spine | 2010 | — |
| +1 | K101144 | Modification to:Radius Spinal System | Stryker Spine | 2010 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 5 | 0 |
| 2004 | 3 | 0 |
| 2005 | 4 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 3 | 0 |
| 2010 | 2 | 0 |
| 2011 | 3 | 0 |
| 2012 | 4 | 0 |
| 2013 | 5 | 0 |
| 2014 | 6 | 0 |
| 2015 | 9 | 0 |
| 2016 | 4 | 0 |
| 2017 | 12 | 0 |
| 2018 | 14 | 0 |
| 2019 | 11 | 0 |
| 2020 | 17 | 0 |
| 2021 | 7 | 0 |
| 2022 | 14 | 0 |
| 2023 | 26 | 0 |
| 2024 | 25 | 0 |
| 2025 | 18 | 0 |
| 2026 | 20 | 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 NKB? 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 NKB device
- #1 K223494 CD Horizon Spinal Systemscore 40.4 · 30 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 |
|---|---|---|---|
| * | K070631 | Device Modification to Radius Spinal SystemSummary page 1…te Summary Prepared: September 26, 2008 Predicate Devices * Stryker Spine Radius") Spinal System, K07063 1, K062270 * Str… | 2007 |
| * | K062270 | Radius Spinal SystemSummary page 1…08 Predicate Devices * Stryker Spine Radius") Spinal System, K07063 1, K062270 * Stryker Spine Xia" Spinal System, K060979.… | 2006 |
| * | K060979 | Xia Titanium and 4.5 Spinal SystemsSummary page 1…K07063 1, K062270 * Stryker Spine Xia" Spinal System, K060979. * Medtronic Sofamor Danek CD Horizon Spinal… | 2006 |
| * | K020709 | Modification to CD Horizon Spinal SystemSummary page 1…79. * Medtronic Sofamor Danek CD Horizon Spinal System, K020709 Radius Spinal System Line Extension - Vitallium Rod Special 510(k) Premarket Noti… | 2002 |
What descends from it? (200)
See all 2005 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K091291 | Xia 3 Spinal System, Uniplanner/Reduction Screws & Vitallium Rod | 2009 | 169 |
| K092631 | Mantis Redux Spinal System | 2009 | 110 |
| K101144 | Modification to:Radius Spinal System | 2010 | 90 |
| K133188 | Mantis & Mantis Redux Spinal System, Radius Spinal System, Trio & Trio+ Spinal Fixation… | 2013 | 84 |
| K091067 | 5.5 Polaris Spinal System | 2009 | 79 |
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 13 years and passes through 2 companies; a new generation was cleared every 5 months on median.
- 3 of the 33 ancestors have a recall of any class.
- Of its descendants, K091291 (Stryker Spine, 2009) has gone furthest, with 169 descendants of its own.
- 1 other device also cites its predicate K070631.
How does its category compare?
All NKB devicesNKB Thoracolumbosacral Pedicle Screw System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2008, this device’s year, is highlighted.
FDA decisions per year · NKB
24in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · NKB
61in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NKB
1in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · NKB
1,171in 2025
MAUDE reports naming product code NKB, 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 | 38 | 87 | 4 | 34 |
| 2008 | 36 | 59 | 5 | 82 |
| 2009 | 44 | 71 | 33 | 171 |
| 2010 | 37 | 111 | 4 | 462 |
| 2011 | 48 | 84 | 3 | 577 |
| 2012 | 60 | 79 | 13 | 1,747 |
| 2013 | 35 | 73 | 0 | 1,962 |
| 2014 | 46 | 90 | 3 (1) | 1,671 |
| 2015 | 55 | 90 | 3 | 1,446 |
| 2016 | 50 | 84 | 1 | 1,585 |
| 2017 | 63 | 69 | 1 | 1,618 |
| 2018 | 56 | 61 | 3 | 1,684 |
| 2019 | 39 | 84 | 1 | 1,915 |
| 2020 | 48 | 68 | 1 | 2,076 |
| 2021 | 32 | 61 | 0 | 1,745 |
| 2022 | 34 | 88 | 5 | 1,339 |
| 2023 | 44 | 72 | 2 | 919 |
| 2024 | 39 | 57 | 3 | 1,614 |
| 2025 | 24 | 61 | 1 | 1,171 |
| 2026 | 30 | 91 | 3 | — |
What is it indicated for?
The Radius® Spinal System is intended for anterior/anterolateral and posterior, noncervical pedicle and non-pedicle fixation for the following indications: degenerative disc disease (DDD) (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; trauma (i.e., fracture or dislocation); spinal stenosis; curvatures (i.e., scoliosis, kyphosis, and/or lordosis); tunmor; pseudoarthrosis; and failed previous fusion.
The Radius® Spinal System can also be linked to the Xia® Titanium Spinal System via the 05.5 mm to 06.0 mm Radius® rod-to-rod connector.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K082608 · printed Nov 5, 2026
Cite this page
510(k) Report. “K082608: Radius Spinal System, Vitallium Rod #486613601.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K082608
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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