510(k) Report

FDA product code · Neurology

Apparatus, Traction, Non-Powered

HSTClass I21 CFR 888.5850510(k) exempt38 decisions since 19777 recalls

FDA lists HST 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. 38 FDA decisions since 1977. 7 recalls name this code, 0 of them Class I. The most-cited predicate is K110858, 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, neurology panel

Twenty years of HST 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 · HST

1in 2016

2011: 12016: 1
2007high 1 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HST

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

Recalls per year · HST

1in 2016

2009: 22013: 12014: 22016: 1
2007high 2 (2009) · low 0 (2007)2026

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

Adverse event reports per year · HST

20in 2025

2007: 12008: 42009: 282010: 22011: 12012: 52013: 492014: 382015: 372016: 282017: 202018: 252019: 322020: 372021: 402022: 262023: 182024: 472025: 20
2007high 49 (2013) · low 1 (2007)2025

MAUDE reports naming product code HST, 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—01
20080—04
20090—228
20100—02
20111—01
20120—05
20130—149
20140—238
20150—037
20161—128
20170—020
20180—025
20190—032
20200—037
20210—040
20220—026
20230—018
20240—047
20250—020
20260—0—
FIG. 1 — HST by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in HST? 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