510(k) Report

FDA product code · Neurology

Stimulator, Nerve, For Restless Legs Syndrome

QWDClass II21 CFR 882.5887510(k) required1 decision since 20230 recalls

1 FDA decision since 2023. No recall names this code.

An external lower extremity nerve stimulator for Restless Legs Syndrome is a prescription device that uses external electrical stimulators and cutaneous electrodes to stimulate nerves in the lower extremity (e.g.,peroneal nerves) and evoke tonic, sustained muscle activation in the legs to reduce the symptoms of Restless Legs Syndrome.

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 QWD 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 · QWD

1in 2023

2023: 1
2007high 1 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QWD

Too few QWD 510(k)s in any year since 2007 to give a median.

Recalls per year · QWD

No recall names QWD since 2007.

Adverse event reports per year · QWD

2in 2025

2025: 2
2007high 2 (2025) · low 0 (2007)2025

MAUDE reports naming product code QWD, 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
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20231—00
20240—00
20250—02
20260—0—
FIG. 1 — QWD by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in QWD? 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