510(k) · Cleared
ClearedG Surgical OCT Spinal System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
G Surgical, LLC · NKG Posterior Cervical Screw System
Cleared on Dec 19, 2017 as substantially equivalent to K142838 (Synthes USA Products, LLC, 2015) and 3 other predicates after a 182-day review. Its family tree reaches back 5 generations to 1997.
- Decided
- Dec 19, 2017
- Review
- 182 days
- Class
- Class II
- Product code
- NKG
- Recalls
- None
- Predicates
- 4
Its longest line of descent runs back 5 generations to K953076 (1997). 10 ancestors in all, the oldest K914362 (1992). No later device cites it as a predicate yet.
- Root · 5 generations backK953076 Townley Facet/Pedicular Screw Plating SystemSofamor Danek USA,Inc. · 1997
- 4 generations backK062254 Axis Fixation SystemMedtronic Sofamor Danek, Inc. · 2008
- 3 generations backK143471 VERTEX Reconstruction SystemMedtronic Sofamor Danek USA, Inc. · 2015
- 2 generations backK151031 Virage OCT Spinal Fixation SystemZimmer Spine, Inc. · 2015
- 1 generation backK153631 Zimmer Virage OCT Spinal Fixation SystemZimmer Spine, Inc. · 2016
- This deviceK171834 G Surgical OCT Spinal SystemG Surgical, LLC · 2017
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K953076 | Townley Facet/Pedicular Screw Plating System | Sofamor Danek USA,Inc. | 1997 | — |
| −4 | K062254 | Axis Fixation System | Medtronic Sofamor Danek, Inc. | 2008 | — |
| −3 | K143471 | VERTEX Reconstruction System | Medtronic Sofamor Danek USA, Inc. | 2015 | — |
| −2 | K151031 | Virage OCT Spinal Fixation System | Zimmer Spine, Inc. | 2015 | — |
| −1 | K153631 | Zimmer Virage OCT Spinal Fixation System | Zimmer Spine, Inc. | 2016 | — |
| 0 (this device) | K171834 | G Surgical OCT Spinal System | G Surgical, LLC | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1992 | 1 | 0 |
| 1999 | 1 | 0 |
| 2002 | 1 | 0 |
| 2004 | 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 NKG? 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 NKG device
- #1 K252327 CMORE® CT System; CMORE® CT System Navigated…score 19.6 · 22 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 |
|---|---|---|---|
| * | K142838 | Synapse Occipital-Cervical-Thoracic (OCT) SystemSummary page 4…cal OCT Spinal System is manufactured from Ti-6Al-4V ELI titanium alloy (ASTM F136). Primary Predicate Synapse OCT (DePuy Synthes Spine – K142838) Additional Predicates: Virage OCT Spinal System (Zimmer Spine Inc. – K153631) CerviFix StarLock Syste… | 2015 |
| * | K153631 | Zimmer Virage OCT Spinal Fixation SystemSummary page 4…titanium alloy (ASTM F136). Primary Predicate Synapse OCT (DePuy Synthes Spine – K142838) Additional Predicates: Virage OCT Spinal System (Zimmer Spine Inc. – K153631) CerviFix StarLock System (Synthes USA – K994187) Uniplate Anterior Cervical Pl… | 2016 |
| * | K994187 | Synthes Cervifix SystemSummary page 4…Synthes Spine – K142838) Additional Predicates: Virage OCT Spinal System (Zimmer Spine Inc. – K153631) CerviFix StarLock System (Synthes USA – K994187) Uniplate Anterior Cervical Plate (DePuy Spine – K042544) Performance Data: Mechanical testing of… | 1999 |
| * | K042544 | Uniplate Anterior Cervical Plate SystemSummary page 4…Spine Inc. – K153631) CerviFix StarLock System (Synthes USA – K994187) Uniplate Anterior Cervical Plate (DePuy Spine – K042544) Performance Data: Mechanical testing of worst case G Surgical OCT Spinal System constructs inclu… | 2004 |
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 20 years and passes through 5 companies; a new generation was cleared every 1.8 years on median.
- 1 of the 10 ancestors has a recall of any class.
- 31 other devices also cite its predicate K142838.
How does its category compare?
All NKG devicesNKG Posterior Cervical 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 · NKG
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · NKG
58in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NKG
2in 2020
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NKG
153in 2025
MAUDE reports naming product code NKG, 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 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 17 | 71 | 0 | 4 |
| 2016 | 16 | 87 | 0 | 73 |
| 2017 | 15 | 108 | 0 | 99 |
| 2018 | 12 | 61 | 1 | 127 |
| 2019 | 8 | 50 | 1 | 214 |
| 2020 | 14 | 59 | 2 | 236 |
| 2021 | 7 | 56 | 0 | 704 |
| 2022 | 7 | 108 | 0 | 175 |
| 2023 | 10 | 58 | 0 | 131 |
| 2024 | 3 | 100 | 0 | 206 |
| 2025 | 6 | 58 | 0 | 153 |
| 2026 | 4 | 169 | 0 | — |
What is it indicated for?
The G Surgical OCT Spinal System is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion for the following acute and chronic instabilities of the craniocervical junction, cervical spine (C1 to C7) and the thoracic spine (T1 to T3): traumatic spinal fractures and/or traumatic dislocations; instability or deformity; failed previous fusions (e.g. pseudarthrosis); tumors involving the cervical/thoracic spine; and…
Read the full statement (175 words)
The G Surgical OCT Spinal System is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion for the following acute and chronic instabilities of the craniocervical junction, cervical spine (C1 to C7) and the thoracic spine (T1 to T3): traumatic spinal fractures and/or traumatic dislocations; instability or deformity; failed previous fusions (e.g. pseudarthrosis); tumors involving the cervical/thoracic spine; and degenerative disease, including intractable radiculopathy and/or myelopathy, neck and/or arm pain of discogenic origin as confirmed by radiographic studies, and degenerative disease of the facets with instability.
The G Surgical OCT Spinal System is also intended to restore the integrity of the spinal column even in the absence of fusion for a limited time period in patients with advanced stage tumors involving the cervical spine in whom life expectancy is of insufficient duration to permit achievement of fusion.
In order to achieve additional levels of fixation, the G Surgical OCT Spinal System may be connected to the G Surgical Pedicle System (GPS™) using 3.5mm/6.0mm axial connectors, domino connectors and transition rods.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K171834 · printed Nov 6, 2026
Cite this page
510(k) Report. “K171834: G Surgical OCT Spinal System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171834
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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