510(k) Report

FDA product code · Neurology

Stimulator, Electro-Acupuncture

BWKClass U510(k) required24 decisions since 19790 recalls

24 FDA decisions since 1979. 510(k) reviews decided 2021–2025 took a median of 209 days (half between 81 and 331). No recall names this code. The most-cited predicate is K081943, 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 BWK 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 · BWK

1in 2025

2008: 12009: 12010: 22013: 22014: 32015: 12016: 12017: 12021: 22022: 12025: 12026 (partial year): 1
2007high 3 (2014) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BWK

212in 2014

2014: 212 days median
2007high 212 (2014)2026

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

Recalls per year · BWK

No recall names BWK since 2007.

Adverse event reports per year · BWK

1in 2024

2012: 12018: 12023: 12024: 1
2007high 1 (2012) · low 0 (2007)2025

MAUDE reports naming product code BWK, 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
20081—00
20091—00
20102—00
20110—00
20120—01
20132—00
2014321200
20151—00
20161—00
20171—00
20180—01
20190—00
20200—00
20212—00
20221—00
20230—01
20240—01
20251—00
20261—0—
FIG. 1 — BWK by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in BWK? 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