510(k) · Cleared
ClearedKHEIRON® Spinal Fixation System, including patient specific K-ROD
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
S.M.A.I.O · NKB Thoracolumbosacral Pedicle Screw System
Cleared on Sep 4, 2026 as substantially equivalent to K211981 (S.M.A.I.O, 2022) and 12 other predicates after a 25-day review. Its family tree reaches back 34 generations to 1984. 2 of the 1,042 devices in its family, counting itself, have a Class I recall.
- Decided
- Sep 4, 2026
- Review
- 25 days
- Class
- Class II
- Product code
- NKB
- Recalls
- None
- Predicates
- 13
Its longest line of descent runs back 34 generations to K841189 (1984). 1,041 ancestors in all, the oldest K781443 (1978). No later device cites it as a predicate yet. 2 of the 1,042 devices in this family, counting this one, have a Class I recall.
- Root · 34 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 30 generations between
- 3 generations backK233951 CD Horizon ModuLeX Spinal System (Shanks, Head Assemblies, and Set…Medtronic Sofamor Danek USA, Inc. · 2024
- 2 generations backK243007 CD Horizon™ Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2024
- 1 generation backK253802 KHEIRON® Spinal Fixation System, including patient specific K-RODS.M.A.I.O · 2026
- This deviceK262828 KHEIRON® Spinal Fixation System, including patient specific K-RODS.M.A.I.O · 2026
Show all 34 generations
- Root · 34 generations backK841189 Oec/Rezaian Spinal FixatorOrthopedic Equipment Co., Inc. · 1984
- 33 generations backK990148 Stackable Cage SystemDepuy Motech Acromed · 1999
- 32 generations backK003043 Surgical Titanium Mesh SystemDepuyacromed · 2001
- 31 generations backK022793 Tetris Spinal ImplantSignus Medical, LLC · 2003
- 30 generations backK031757 Peek Tetris Spinal ImplantSignus Medical, LLC · 2003
- 29 generations backK041888 Curved Peek Tetris Spinal ImplantSignus Medizintechnik GmbH · 2004
- 28 generations backK042930 Spacevision Cage SystemSpine Vision, Inc. · 2004
- 27 generations backK062759 Paramount VBR SystemInnovative Spinal Technologies, Inc. · 2007
- 26 generations backK072120 Paramount Intervertebral Body Fusion DeviceInnovative Spinal Technologies, Inc. · 2007
- 25 generations backK073291 Capstone Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2008
- 24 generations backK094025 Crescent Spinal SystemMedtronic Sofamor Danek · 2010
- 23 generations backK110543 Crescent (R) Spinal System TitaniumMedtronic Sofamor Danek USA, Inc. · 2011
- 22 generations backK121683 Acculif TL CageCoalign Innovations, Inc. · 2012
- 21 generations backK123752 Acculif TL and PL CageCoalign Innovations, Inc. · 2013
- 20 generations backK132505 Acculif TL and PL CageCoalign Innovations, Inc. · 2013 · Recalled
- 19 generations backK141217 Acculif TL and PL CageStryker Corporation · 2014 · Recalled
- 18 generations backK143163 AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers…Stryker Corporation · 2015
- 17 generations backK143616 AccuLIF TL and PL CageStryker Corporation · 2015 · Recalled
- 16 generations backK152304 Tritanium PL CageStryker · 2015 · Recalled
- 15 generations backK160955 Tritanium® PL CageStryker · 2016
- 14 generations backK162262 Tritanium® PL CageStryker · 2016
- 13 generations backK171496 Tritanium C Anterior Cervical CageStryker Spine · 2017
- 12 generations backK180364 HD LifeSciences Cervical IBFD SystemHd Lifesciences, LLC · 2018
- 11 generations backK183557 Endoskeleton® TA Interbody Fusion Device, Endoskeleton® TAS…Titan Spine, Inc. · 2019 · Recalled
- 10 generations backK192018 Endoskeleton TA Interbody Fusion Device, Endoskeleton TAS and TAS…Titan Spine, Inc. · 2019 · Recalled
- 9 generations backK191581 Endoskeleton TL Interbody Fusion Device, Endoskeleton TL…Titan Spine, Inc. · 2020
- 8 generations backK201267 Adaptix Interbody System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek · 2020
- 7 generations backK210425 Catalyft PL Expandable Interbody SystemMedtronic Sofamor Danek USA, Inc. · 2021 · Recalled
- 6 generations backK212524 Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA, Inc. · 2021
- 5 generations backK214010 Anteralign Spinal System with Titan nanoLOCK Surface TechnologyMedtronic Sofamor Danek USA · 2022
- 4 generations backK223494 CD Horizon Spinal SystemMedtronic · 2023
- 3 generations backK233951 CD Horizon ModuLeX Spinal System (Shanks, Head Assemblies, and Set…Medtronic Sofamor Danek USA, Inc. · 2024
- 2 generations backK243007 CD Horizon™ Spinal SystemMedtronic Sofamor Danek USA, Inc. · 2024
- 1 generation backK253802 KHEIRON® Spinal Fixation System, including patient specific K-RODS.M.A.I.O · 2026
- This deviceK262828 KHEIRON® Spinal Fixation System, including patient specific K-RODS.M.A.I.O · 2026
Class I recalls in this family
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −34 | K841189 | Oec/Rezaian Spinal Fixator | Orthopedic Equipment Co., Inc. | 1984 | — |
| −33 | K990148 | Stackable Cage System | Depuy Motech Acromed | 1999 | — |
| −32 | K003043 | Surgical Titanium Mesh System | Depuyacromed | 2001 | — |
| −31 | K022793 | Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −30 | K031757 | Peek Tetris Spinal Implant | Signus Medical, LLC | 2003 | — |
| −29 | K041888 | Curved Peek Tetris Spinal Implant | Signus Medizintechnik GmbH | 2004 | — |
| −28 | K042930 | Spacevision Cage System | Spine Vision, Inc. | 2004 | — |
| −27 | K062759 | Paramount VBR System | Innovative Spinal Technologies, Inc. | 2007 | — |
| −26 | K072120 | Paramount Intervertebral Body Fusion Device | Innovative Spinal Technologies, Inc. | 2007 | — |
| −25 | K073291 | Capstone Spinal System | Medtronic Sofamor Danek USA, Inc. | 2008 | — |
| −24 | K094025 | Crescent Spinal System | Medtronic Sofamor Danek | 2010 | — |
| −23 | K110543 | Crescent (R) Spinal System Titanium | Medtronic Sofamor Danek USA, Inc. | 2011 | — |
| −22 | K121683 | Acculif TL Cage | Coalign Innovations, Inc. | 2012 | — |
| −21 | K123752 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | — |
| −20 | K132505 | Acculif TL and PL Cage | Coalign Innovations, Inc. | 2013 | 3 |
| −19 | K141217 | Acculif TL and PL Cage | Stryker Corporation | 2014 | 3 |
| −18 | K143163 | AVS® AL and ALign PEEK Spacers, AVS® PL and UniLIF PEEK Spacers, AVS® TL PEEK… | Stryker Corporation | 2015 | — |
| −17 | K143616 | AccuLIF TL and PL Cage | Stryker Corporation | 2015 | 4 |
| −16 | K152304 | Tritanium PL Cage | Stryker | 2015 | 1 |
| −15 | K160955 | Tritanium® PL Cage | Stryker | 2016 | — |
| −14 | K162262 | Tritanium® PL Cage | Stryker | 2016 | — |
| −13 | K171496 | Tritanium C Anterior Cervical Cage | Stryker Spine | 2017 | — |
| −12 | K180364 | HD LifeSciences Cervical IBFD System | Hd Lifesciences, LLC | 2018 | — |
| −11 | K183557 | Endoskeleton® TA Interbody Fusion Device, Endoskeleton® TAS Interbody Fusion… | Titan Spine, Inc. | 2019 | 3 |
| −10 | K192018 | Endoskeleton TA Interbody Fusion Device, Endoskeleton TAS and TAS… | Titan Spine, Inc. | 2019 | 4 |
| −9 | K191581 | Endoskeleton TL Interbody Fusion Device, Endoskeleton TL Hyperlordotic… | Titan Spine, Inc. | 2020 | — |
| −8 | K201267 | Adaptix Interbody System with Titan nanoLOCK Surface Technology | Medtronic Sofamor Danek | 2020 | — |
| −7 | K210425 | Catalyft PL Expandable Interbody System | Medtronic Sofamor Danek USA, Inc. | 2021 | 1 |
| −6 | K212524 | Anteralign Spinal System with Titan nanoLOCK Surface Technology | Medtronic Sofamor Danek USA, Inc. | 2021 | — |
| −5 | K214010 | Anteralign Spinal System with Titan nanoLOCK Surface Technology | Medtronic Sofamor Danek USA | 2022 | — |
| −4 | K223494 | CD Horizon Spinal System | Medtronic | 2023 | — |
| −3 | K233951 | CD Horizon ModuLeX Spinal System (Shanks, Head Assemblies, and Set Screw) | Medtronic Sofamor Danek USA, Inc. | 2024 | — |
| −2 | K243007 | CD Horizon™ Spinal System | Medtronic Sofamor Danek USA, Inc. | 2024 | — |
| −1 | K253802 | KHEIRON® Spinal Fixation System, including patient specific K-ROD | S.M.A.I.O | 2026 | — |
| 0 (this device) | K262828 | KHEIRON® Spinal Fixation System, including patient specific K-ROD | S.M.A.I.O | 2026 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 17 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 21 | 0 |
| 1999 | 17 | 0 |
| 2000 | 28 | 0 |
| 2001 | 36 | 0 |
| 2002 | 34 | 0 |
| 2003 | 43 | 0 |
| 2004 | 64 | 0 |
| 2005 | 59 | 0 |
| 2006 | 45 | 0 |
| 2007 | 41 | 0 |
| 2008 | 74 | 1 |
| 2009 | 60 | 0 |
| 2010 | 48 | 1 |
| 2011 | 61 | 0 |
| 2012 | 41 | 0 |
| 2013 | 46 | 0 |
| 2014 | 51 | 0 |
| 2015 | 46 | 0 |
| 2016 | 33 | 0 |
| 2017 | 29 | 0 |
| 2018 | 12 | 0 |
| 2019 | 10 | 0 |
| 2020 | 11 | 0 |
| 2021 | 9 | 0 |
| 2022 | 5 | 0 |
| 2023 | 4 | 0 |
| 2024 | 1 | 0 |
| 2025 | 3 | 0 |
| 2026 | 2 | 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.
2 devices in this family have a Class I recall. 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? (13)
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 |
|---|---|---|---|
| * | K211981 | KHEIRON® Spinal Fixation SystemSummary page 5….3070 Product Code(s) NKB, KWP I Legally Marketed Predicate Devices 21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K211981 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K253802 KHEIRON® Spinal Fixation System, including pat… | 2022 |
| * | K253802 | KHEIRON® Spinal Fixation System, including patient specific K-RODSummary page 5…)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K211981 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K253802 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K171421 VERTICALE® Posterior Spinal Fixation System/VE… | 2026 |
| * | K171421 | VERTICALE® Posterior Spinal Fixation System/VERTICALE® SystemSummary page 5…ode K211981 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K253802 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K171421 VERTICALE® Posterior Spinal Fixation System/VERTICALE® NKB System K222110 Mariner RDX System NKB K251804 KHEIRON® Spinal Fixation… | 2018 |
| * | K222110 | Mariner RDX SystemSummary page 5…| | NKB ROD K253802 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K171421 VERTICALE® Posterior Spinal Fixation System/VERTICALE® NKB System K222110 Mariner RDX System NKB K251804 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K262828… | 2022 |
| * | K251804 | KHEIRON® Spinal Fixation System, including patient specific K-RODSummary page 5…pinal Fixation System, including patient specific K- | | NKB ROD K171421 VERTICALE® Posterior Spinal Fixation System/VERTICALE® NKB System K222110 Mariner RDX System NKB K251804 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K262828- Page 2 of 4 K240539 Vital™ S… | 2025 |
| * | K240539 | Vital™ Spinal Fixation SystemSummary page 6…ICALE® NKB System K222110 Mariner RDX System NKB K251804 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K262828- Page 2 of 4 K240539 Vital™ Spinal Fixation System NKB K253721 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K200245 EX… | 2024 |
| * | K253721 | KHEIRON® Spinal Fixation System, including patient specific K-RODSummary page 6…m NKB K251804 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K262828- Page 2 of 4 K240539 Vital™ Spinal Fixation System NKB K253721 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K200245 EXPEDIUM® Spine System; EXPEDIUM VERSE® Spine… | 2025 |
| * | K200245 | EXPEDIUM® Spine System; EXPEDIUM VERSE® Spine SystemSummary page 6…ROD K262828- Page 2 of 4 K240539 Vital™ Spinal Fixation System NKB K253721 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K200245 EXPEDIUM® Spine System; EXPEDIUM VERSE® Spine NKB System K231479 TriALTIS Spine System NKB K253990 KHEIRON® Spinal Fixation Sys… | 2020 |
| * | K231479 | TriALTIS Spine SystemSummary page 6…ixation System NKB K253721 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K200245 EXPEDIUM® Spine System; EXPEDIUM VERSE® Spine NKB System K231479 TriALTIS Spine System NKB K253990 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K250908 Virata Spi… | 2023 |
| * | K253990 | KHEIRON® Spinal Fixation System, including patient specific K-RODSummary page 6…® Spinal Fixation System, including patient specific K- | | NKB ROD K200245 EXPEDIUM® Spine System; EXPEDIUM VERSE® Spine NKB System K231479 TriALTIS Spine System NKB K253990 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K250908 Virata Spinal Fixation System NKB K260786 KH… | 2026 |
| * | K250908 | Virata Spinal Fixation SystemSummary page 6…M® Spine System; EXPEDIUM VERSE® Spine NKB System K231479 TriALTIS Spine System NKB K253990 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K250908 Virata Spinal Fixation System NKB K260786 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K232650 KH… | 2025 |
| * | K260786 | KHEIRON® Spinal Fixation System, including patient specific K-RODSummary page 6…System K231479 TriALTIS Spine System NKB K253990 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K250908 Virata Spinal Fixation System NKB K260786 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K232650 KHEIRON® Spinal Fixation System, including pa… | 2026 |
| * | K232650 | KHEIRON® Spinal Fixation System, including patient specific K-RODSummary page 6…including patient specific K- | | NKB ROD K250908 Virata Spinal Fixation System NKB K260786 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD K232650 KHEIRON® Spinal Fixation System, including patient specific K- | | NKB ROD Device Description Summary 21 CFR 807.92(a)(4) S.M.A… | 2023 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (2 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
What does this lineage say?
- The line of descent spans 42 years and passes through 18 companies; a new generation was cleared every 9 months on median.
- 121 of the 1,041 ancestors have a recall of any class; 2 have a Class I recall.
- 6 other devices also cite its predicate K211981.
How does its category compare?
All NKB devicesNKB Thoracolumbosacral Pedicle Screw System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, 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?
KHEIRON® Spinal Fixation System including patient specific K-ROD is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of thoracic, lumbar, and sacral spine: degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc confirmed by history and radiographic…
Read the full statement (302 words)
KHEIRON® Spinal Fixation System including patient specific K-ROD is intended to provide immobilization
and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of
the following acute and chronic instabilities or deformities of thoracic, lumbar, and sacral spine:
degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc
confirmed by history and radiographic studies), degenerative spondylolisthesis with objective evidence of
neurological impairment, fracture, dislocation, deformities or curvatures (i.e. scoliosis, kyphosis, and/or
lordosis), spinal stenosis, spinal tumor, pseudarthrosis and failed previous fusion.
When used for posterior, non-cervical, pedicle screw fixation in pediatric patients, KHEIRON® Spinal
Fixation System including patient specific K-ROD is indicated as an adjunct to fusion to treat progressive
spinal deformities (i.e., scoliosis, kyphosis, or lordosis) including idiopathic scoliosis, nheuromuscular
scoliosis, and congenital scoliosis. Additionally, KHEIRON® Spinal Fixation System including patient
specific K-ROD is intended to treat pediatric patients diagnosed with spondylolisthesis/spondylolysis,
fracture caused by tumor and/or trauma, pseudarthrosis, and/or failed previous fusion.
This system is intended to be used with autograft and/or allograft.
Pediatric pedicle screw fixation is limited to a posterior approach.
When connected to compatible pedicle screw systems, the patient specific K-ROD is intended to provide
immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in
the treatment of the following acute and chronic instabilities or deformities of thoracic, lumbar, and sacral
spine: degenerative disc disease (defined as back pain of discogenic origin with degeneration of the disc
confirmed by history and radiographic studies), degenerative spondylolisthesis with objective evidence of
neurological impairment, fracture, dislocation, deformities or curvatures (i.e. scoliosis, kyphosis, and/or
lordosis), spinal stenosis, spinal tumor, pseudarthrosis and failed previous fusion.
Please refer to the additional information section of the most up-to-date Instructions for Use on compatible
pedicle screw systems.
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/K262828 · printed Nov 5, 2026
Cite this page
510(k) Report. “K262828: KHEIRON® Spinal Fixation System, including patient specific K-ROD.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K262828
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Record history
- FDA decision record loaded Oct 30, 2026
- Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026