510(k) Report

FDA product code · Ear, nose and throat

Dilator, Nasal

LWFClass I21 CFR 874.3900510(k) exempt20 decisions since 19860 recalls

FDA lists LWF as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 874.9 applies, such as a new intended use or a different fundamental technology. 20 FDA decisions since 1986. No recall names this code. The most-cited predicate is K120665, named by 1 later device.

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, ear, nose and throat panel

Twenty years of LWF 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 · LWF

1in 2018

2012: 12018: 1
2007high 1 (2012) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LWF

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

Recalls per year · LWF

No recall names LWF since 2007.

Adverse event reports per year · LWF

8in 2024

2007: 52008: 42009: 32010: 42011: 92012: 122013: 102014: 122015: 412016: 392017: 132018: 152019: 132020: 62021: 42022: 52023: 22024: 8
2007high 41 (2015) · low 0 (2025)2025

MAUDE reports naming product code LWF, 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—05
20080—04
20090—03
20100—04
20110—09
20121—012
20130—010
20140—012
20150—041
20160—039
20170—013
20181—015
20190—013
20200—06
20210—04
20220—05
20230—02
20240—08
20250—00
20260—0—
FIG. 1 — LWF by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in LWF? 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