FDA product code · Physical medicine
Orthosis, Truncal, For Dysmenorrhea
FDA lists NJB 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 2002. No recall names this code.
A truncal orthosis for dysmenorrhea is a device intended to provide pressure to acupressure points on the lower abdomen and lower back for the purpose of reducing menstrual pain symptoms including cramps, abdominal pain and backache.
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of NJB 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 · NJB
FDA has decided no NJB device since 2007.
Median 510(k) review, days · NJB
Too few NJB 510(k)s in any year since 2007 to give a median.
Recalls per year · NJB
No recall names NJB since 2007.
Adverse event reports per year · NJB
No MAUDE report names NJB since 2007.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
Planning a device in NJB? 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 890.3490.