510(k) Report

FDA product code · Orthopedic

Posterior Cervical Screw System

NKGClass II21 CFR 888.3075510(k) required119 decisions since 20154 recalls

119 FDA decisions since 2015. 510(k) reviews decided 2021–2025 took a median of 58 days (half between 55 and 108). 4 recalls name this code, 0 of them Class I. The most-cited predicate is K142838, named by 32 later devices.

Posterior cervical screw systems are intended for use in fusion procedures of the cervical spine and/or craniocervical junction and/or cervicothoracic junction for: 1) spinal fractures and dislocations; 2) deformities; 3) instabilities; 4) failed previous fusions; 5) tumors; 6) inflammatory disorders; 7) spinal degeneration, 8) facet degeneration with instability; and 9) reconstruction following decompression to…

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026 Download the data (CSV)

FIG. A — Illustration, orthopedic panel

Twenty years of NKG at a glance: how often FDA decides these devices, how long 510(k) reviews take, how often they are recalled, and how many adverse event reports name the code.

FDA decisions per year · NKG

6in 2025

2015: 172016: 162017: 152018: 122019: 82020: 142021: 72022: 72023: 102024: 32025: 62026 (partial year): 4
2007high 17 (2015) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NKG

58in 2025

2015: 71 days median2016: 87 days median2017: 108 days median2018: 61 days median2019: 50 days median2020: 59 days median2021: 56 days median2022: 108 days median2023: 58 days median2024: 100 days median2025: 58 days median2026 (partial year): 169 days median
2007high 169 (2026) · low 50 (2019)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · NKG

2in 2020

2018: 12019: 12020: 2
2007high 2 (2020) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NKG

153in 2025

2015: 42016: 732017: 992018: 1272019: 2142020: 2362021: 7042022: 1752023: 1312024: 2062025: 153
2007high 704 (2021) · low 0 (2007)2025

MAUDE reports naming product code NKG, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
2015177104
20161687073
201715108099
201812611127
20198501214
202014592236
20217560704
202271080175
202310580131
202431000206
20256580153
202641690—
FIG. 1 — NKG by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in NKG? A 510(k) Report ranks candidate predicates in this code by lineage, citations and recall history, with the review-time outlook.

See the 510(k) Report

Related product codes

Other codes under 21 CFR 888.3075.