510(k) Report

FDA product code · Neurology

Media, Electroconductive

GYBClass II21 CFR 882.1275510(k) required69 decisions since 19771 recall

69 FDA decisions since 1977. 510(k) reviews decided 2021–2025 took a median of 124 days (half between 96 and 226). 1 recall names this code; it is Class I. The most-cited predicate is K111717, 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 GYB 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 · GYB

1in 2025

2012: 12016: 12017: 12019: 12020: 32021: 22022: 32023: 12025: 1
2007high 3 (2020) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GYB

101in 2022

2020: 198 days median2022: 101 days median
2007high 198 (2020) · low 101 (2022)2026

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

Recalls per year · GYB

1in 2021

2021: 1, 1 Class I
2007high 1 (2021) · low 0 (2007)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · GYB

2in 2025

2007: 92008: 42009: 32010: 72011: 102012: 152013: 22014: 52015: 32016: 32017: 42018: 22019: 32020: 22021: 42022: 42023: 62024: 42025: 2
2007high 15 (2012) · low 2 (2013)2025

MAUDE reports naming product code GYB, 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—09
20080—04
20090—03
20100—07
20110—010
20121—015
20130—02
20140—05
20150—03
20161—03
20171—04
20180—02
20191—03
2020319802
20212—1 (1)4
2022310104
20231—06
20240—04
20251—02
20260—0—
FIG. 1 — GYB by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in GYB? 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