510(k) Report

FDA product code · Neurology

Dynamometer, Ac-Powered

LBBClass II21 CFR 888.1240510(k) exempt36 decisions since 19812 recalls

FDA lists LBB as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 888.9 applies, such as a new intended use or a different fundamental technology. 36 FDA decisions since 1981. 2 recalls name this code, 0 of them Class I. The most-cited predicate is K042889, named by 2 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 LBB 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 · LBB

1in 2017

2008: 12017: 1
2007high 1 (2008) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LBB

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

Recalls per year · LBB

2in 2021

2021: 2
2007high 2 (2021) · low 0 (2007)2026

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

Adverse event reports per year · LBB

No MAUDE report names LBB since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20081—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20171—00
20180—00
20190—00
20200—00
20210—20
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — LBB by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in LBB? 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