510(k) Report

FDA product code · Obstetrics and gynecology

Monitor, Ultrasonic, Fetal

KNGClass II21 CFR 884.2660510(k) required60 decisions since 19760 recalls

60 FDA decisions since 1976. 510(k) reviews decided 2021–2025 took a median of 227 days (half between 201 and 263). No recall names this code. The most-cited predicate is K024197, named by 7 later devices.

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 KNG 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 · KNG

1in 2025

2008: 12009: 32010: 22011: 52014: 12015: 12016: 12018: 32019: 32021: 12022: 22024: 22025: 12026 (partial year): 1
2007high 5 (2011) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · KNG

202in 2019

2009: 181 days median2011: 57 days median2018: 154 days median2019: 202 days median
2007high 202 (2019) · low 57 (2011)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · KNG

No recall names KNG since 2007.

Adverse event reports per year · KNG

1in 2025

2008: 22013: 12014: 12017: 32018: 82019: 12020: 22021: 12023: 22024: 32025: 1
2007high 8 (2018) · low 0 (2007)2025

MAUDE reports naming product code KNG, 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
20081—02
2009318100
20102—00
201155700
20120—00
20130—01
20141—01
20151—00
20161—00
20170—03
2018315408
2019320201
20200—02
20211—01
20222—00
20230—02
20242—03
20251—01
20261—0—
FIG. 1 — KNG by year, 2007–2026Sources: FDA decision databases, recall and enforcement reports, MAUDE · Data through Oct 25, 2026

Planning a device in KNG? 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 884.2660.