510(k) Report

FDA product code · Obstetrics and gynecology

Screw, Fibroid, Gynecological

HHOClass II21 CFR 884.4530510(k) required2 decisions since 19920 recalls

2 FDA decisions since 1992. No recall names this code.

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, obstetrics and gynecology panel

Twenty years of HHO 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 · HHO

FDA has decided no HHO device since 2007.

Median 510(k) review, days · HHO

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

Recalls per year · HHO

No recall names HHO since 2007.

Adverse event reports per year · HHO

1in 2012

2010: 12012: 1
2007high 1 (2010) · low 0 (2007)2025

MAUDE reports naming product code HHO, 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—00
20080—00
20090—00
20100—01
20110—00
20120—01
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20240—00
20250—00
20260—0—
FIG. 1 — HHO by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in HHO? 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 884.4530.