510(k) Report

FDA product code · Physical medicine

Joint, Knee, External Limb Component

ISYClass I21 CFR 890.3420510(k) exempt1 decision since 201016 recalls

FDA lists ISY 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. 1 FDA decision since 2010. 16 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 ISY 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 · ISY

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ISY

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

Recalls per year · ISY

3in 2019

2007: 12008: 12009: 12011: 12016: 12017: 22019: 3
2007high 3 (2019) · low 0 (2010)2026

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

Adverse event reports per year · ISY

27in 2025

2007: 12010: 22011: 12012: 12014: 22015: 202016: 492017: 872018: 342019: 222020: 802021: 352022: 232023: 242024: 142025: 27
2007high 87 (2017) · low 0 (2008)2025

MAUDE reports naming product code ISY, 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—10
20090—10
20101—02
20110—11
20120—01
20130—00
20140—02
20150—020
20160—149
20170—287
20180—034
20190—322
20200—080
20210—035
20220—023
20230—024
20240—014
20250—027
20260—0—
FIG. 1 — ISY by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in ISY? 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.