FDA product code · Gastroenterology and urology
System, Water Purification, General Medical Use
12 FDA decisions since 2002. 510(k) reviews decided 2021–2025 took a median of 267 days (half between 267 and 267). No recall names this code. The most-cited predicate is K141731, named by 3 later devices.
The device is a portable water treatment system which features components and technology similar to water treatment systems previously cleared for hemodialysis. The difference lies with the intended use, as the proposed device is not intended for use in hemodialysis applications, for which a product code currently exists. Instead, the proposed device is intended for use to purify water for general purposes…
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly Download the data (CSV)
Twenty years of NHV 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 · NHV
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · NHV
203in 2016
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NHV
No recall names NHV since 2007.
Adverse event reports per year · NHV
1in 2025
MAUDE reports naming product code NHV, 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 | 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 | 1 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 4 | 203 | 0 | 0 |
| 2017 | 1 | — | 0 | 1 |
| 2018 | 1 | — | 0 | 2 |
| 2019 | 2 | — | 0 | 1 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 4 |
| 2023 | 1 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 1 |
| 2026 | 1 | — | 0 | — |
Planning a device in NHV? 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 876.5665.