510(k) Report

FDA product code · Physical medicine

Component, External, Limb, Ankle/Foot

ISHClass I21 CFR 890.3420510(k) exempt4 decisions since 197910 recalls

FDA lists ISH as exempt from 510(k): a device of this type needs no clearance unless one of the limits in 21 CFR 890.9 applies, such as a new intended use or a different fundamental technology. 4 FDA decisions since 1979. 10 recalls name this code, 0 of them Class I.

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, physical medicine panel

Twenty years of ISH 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 · ISH

FDA has decided no ISH device since 2007.

Median 510(k) review, days · ISH

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

Recalls per year · ISH

1in 2015

2007: 12012: 22013: 12015: 1
2007high 2 (2012) · low 0 (2008)2026

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

Adverse event reports per year · ISH

3in 2025

2007: 12014: 42015: 42016: 92017: 62018: 72019: 42020: 52021: 32022: 22023: 212024: 52025: 3
2007high 21 (2023) · low 0 (2008)2025

MAUDE reports naming product code ISH, 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—11
20080—00
20090—00
20100—00
20110—00
20120—20
20130—10
20140—04
20150—14
20160—09
20170—06
20180—07
20190—04
20200—05
20210—03
20220—02
20230—021
20240—05
20250—03
20260—0—
FIG. 1 — ISH by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in ISH? 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

Related product codes

Other codes under 21 CFR 890.3420.