510(k) · Cleared
ClearedCorticaLINK Spinal Fusion Platform
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Linkspine, Inc. · NKB Thoracolumbosacral Pedicle Screw System
Cleared on Dec 11, 2017 as substantially equivalent to K160722 (Facetlink Dba Linkspine, 2016) after a 28-day review. Its family tree reaches back 10 generations to 1985.
- Decided
- Dec 11, 2017
- Review
- 28 days
- Class
- Class II
- Product code
- NKB
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 10 generations to K853033 (1985). 48 ancestors in all. No later device cites it as a predicate yet.
- Root · 10 generations backK853033 Hartshill Rect & Wires, Spinal Fixation SystemA.W. Showell (Surgicraft), Ltd. · 1985
- 6 generations between
- 3 generations backK041203 Summit Oct Spinal SystemDepuy Spine, Inc. · 2004
- 2 generations backK050979 S4 Spinal SystemAesculap, Inc. · 2005
- 1 generation backK160722 CorticaLINK Spinal Fusion PlatformFacetlink Dba Linkspine · 2016
- This deviceK173484 CorticaLINK Spinal Fusion PlatformLinkspine, Inc. · 2017
Show all 10 generations
- Root · 10 generations backK853033 Hartshill Rect & Wires, Spinal Fixation SystemA.W. Showell (Surgicraft), Ltd. · 1985
- 9 generations backK965221 Ransford Cervical Fixation SystemSurgicraft, Ltd. · 1997
- 8 generations backK982322 Synthes Spine Occipital-Cervical Plate/Rod and Hook SystemSynthes (Usa) · 1998
- 7 generations backK002733 Summit Occipito-Cervico-Thoracic (Oct) Spinal SystemDepuyacromed · 2000
- 6 generations backK013222 Summit Occipito-Cervico- Thoracic (Oct) Spinal SystemDepuyacromed · 2001
- 5 generations backK022190 Modification to Summit Occipito-Cervico-Thoracic (Oct) Spinal SystemDepuyacromed · 2002
- 4 generations backK030103 Summit Oct Spinal System Minipolyaxial ScrewsDepuyacromed · 2003
- 3 generations backK041203 Summit Oct Spinal SystemDepuy Spine, Inc. · 2004
- 2 generations backK050979 S4 Spinal SystemAesculap, Inc. · 2005
- 1 generation backK160722 CorticaLINK Spinal Fusion PlatformFacetlink Dba Linkspine · 2016
- This deviceK173484 CorticaLINK Spinal Fusion PlatformLinkspine, Inc. · 2017
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −10 | K853033 | Hartshill Rect & Wires, Spinal Fixation System | A.W. Showell (Surgicraft), Ltd. | 1985 | — |
| −9 | K965221 | Ransford Cervical Fixation System | Surgicraft, Ltd. | 1997 | — |
| −8 | K982322 | Synthes Spine Occipital-Cervical Plate/Rod and Hook System | Synthes (Usa) | 1998 | — |
| −7 | K002733 | Summit Occipito-Cervico-Thoracic (Oct) Spinal System | Depuyacromed | 2000 | — |
| −6 | K013222 | Summit Occipito-Cervico- Thoracic (Oct) Spinal System | Depuyacromed | 2001 | — |
| −5 | K022190 | Modification to Summit Occipito-Cervico-Thoracic (Oct) Spinal System | Depuyacromed | 2002 | — |
| −4 | K030103 | Summit Oct Spinal System Minipolyaxial Screws | Depuyacromed | 2003 | — |
| −3 | K041203 | Summit Oct Spinal System | Depuy Spine, Inc. | 2004 | — |
| −2 | K050979 | S4 Spinal System | Aesculap, Inc. | 2005 | — |
| −1 | K160722 | CorticaLINK Spinal Fusion Platform | Facetlink Dba Linkspine | 2016 | — |
| 0 (this device) | K173484 | CorticaLINK Spinal Fusion Platform | Linkspine, Inc. | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 1 | 0 |
| 1997 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 0 |
| 2003 | 5 | 0 |
| 2004 | 6 | 0 |
| 2005 | 4 | 0 |
| 2006 | 3 | 0 |
| 2007 | 2 | 0 |
| 2009 | 1 | 0 |
| 2012 | 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 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? (1)
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 |
|---|---|---|---|
| * | K160722 | CorticaLINK Spinal Fusion PlatformSummary page 5…de Intended Uses Anatomical Region Implant Materials Product Features PRIMARY PREDICATE DEVICE LinkSPINE, Inc. – CorticaLINK Spinal Fusion Platform (K160722) PERFORMANCE COMPARISON LinkSPINE, Inc. has submitted information to demonstrate that, for the purposes of FDA’s regulation of m… | 2016 |
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 32 years and passes through 8 companies; a new generation was cleared every 1.3 years on median.
- 7 of the 48 ancestors have a recall of any class.
- 1 other device also cites its predicate K160722.
How does its category compare?
All NKB devicesNKB Thoracolumbosacral Pedicle Screw System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, 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 CorticaLINK Fusion System is intended for noncervical pedicle fixation as an adjunct to fusion for the following acute and chronic instabilities or deformities for the T1-S1 vertebrae in skeletally mature patients:
degenerative disc disease (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);
tumor;
pseudoarthrosis;
and failed previous fusion.
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/K173484 · printed Nov 6, 2026
Cite this page
510(k) Report. “K173484: CorticaLINK Spinal Fusion Platform.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173484
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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