510(k) Report

FDA product code · Neurology

Plate, Cranioplasty, Preformed, Alterable

GWOClass II21 CFR 882.5320510(k) required44 decisions since 19813 recalls

44 FDA decisions since 1981. 510(k) reviews decided 2021–2025 took a median of 278 days (half between 195 and 337). 3 recalls name this code, 0 of them Class I. The most-cited predicate is K112812, named by 4 later devices.

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, neurology panel

Twenty years of GWO 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 · GWO

2in 2025

2007: 12008: 12010: 12011: 22012: 52013: 42014: 32015: 32016: 32017: 22018: 12019: 42021: 12022: 22024: 12025: 22026 (partial year): 2
2007high 5 (2012) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GWO

196in 2019

2012: 133 days median2013: 249 days median2014: 109 days median2015: 210 days median2016: 125 days median2019: 196 days median
2007high 249 (2013) · low 109 (2014)2026

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

Recalls per year · GWO

2in 2015

2007: 12015: 2
2007high 2 (2015) · low 0 (2008)2026

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

Adverse event reports per year · GWO

237in 2025

2008: 32009: 22010: 72011: 12012: 52013: 72014: 112015: 182016: 182017: 472018: 412019: 142020: 252021: 412022: 532023: 722024: 1492025: 237
2007high 237 (2025) · low 0 (2007)2025

MAUDE reports naming product code GWO, 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
20071—10
20081—03
20090—02
20101—07
20112—01
2012513305
2013424907
20143109011
20153210218
20163125018
20172—047
20181—041
20194196014
20200—025
20211—041
20222—053
20230—072
20241—0149
20252—0237
20262—0—
FIG. 1 — GWO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in GWO? 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 882.5320.