FDA product code · Physical medicine
Prosthesis, Thigh Socket, External Component
FDA lists ISS 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 1980. No recall names this code.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of ISS 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 · ISS
FDA has decided no ISS device since 2007.
Median 510(k) review, days · ISS
Too few ISS 510(k)s in any year since 2007 to give a median.
Recalls per year · ISS
No recall names ISS since 2007.
Adverse event reports per year · ISS
1in 2025
MAUDE reports naming product code ISS, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 2 |
| 2008 | 0 | — | 0 | 2 |
| 2009 | 0 | — | 0 | 3 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 1 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 3 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 3 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 1 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 2 |
| 2024 | 0 | — | 0 | 3 |
| 2025 | 0 | — | 0 | 1 |
| 2026 | 0 | — | 0 | — |
Planning a device in ISS? 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) ReportRelated product codes
Other codes under 21 CFR 890.3420.