Cleared Traditional

COROMETRICS MODEL 171 AND 172 FETAL MONITOR (K991905) - FDA 510(k) Clearance

Class II Obstetrics & Gynecology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K991905 · General Electric Medical Systems Information Techn · Obstetrics & Gynecology device
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Sep 1999
Decision
89d
Days
Class 2
Risk

K991905 is an FDA 510(k) clearance for the COROMETRICS MODEL 171 AND 172 FETAL MONITOR. Classified as System, Monitoring, Perinatal (product code HGM), Class II - Special Controls.

Submitted by General Electric Medical Systems Information Techn (Wallingford, US). The FDA issued a Cleared decision on September 1, 1999 after a review of 89 days - a notably fast clearance cycle.

This device falls under the Obstetrics & Gynecology FDA review panel, regulated under 21 CFR 884.2740 - the FDA obstetrics and gynecology device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

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Submission Details

510(k) Number K991905 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 04, 1999
Decision Date September 01, 1999
Days to Decision 89 days
Submission Type Traditional
Review Panel Obstetrics & Gynecology (OB)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
71d faster than avg
Panel avg: 160d · This submission: 89d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HGM System, Monitoring, Perinatal
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 884.2740
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Obstetrics & Gynecology devices follow this clearance model.

Regulatory Peers - HGM System, Monitoring, Perinatal

All 27
Devices cleared under the same product code (HGM) and FDA review panel - the closest regulatory comparables to K991905.
AlertWatch:OB
K173715 · Alertwatch, Inc. · Apr 2018
Central Monitoring System
K171178 · Edan Instruments, Inc. · Sep 2017
MODEL 250CX SERIES MATERNAL/FETAL MONITOR
K072976 · Ge Healthcare · Dec 2007
MODEL M1310A, SERIES 50T FETAL TELEMETRY SYSTEM
K942887 · Hewlett-Packard Co. · Aug 1994
HEWLETT PACKARD MODEL M1353A FETAL MONITOR
K921956 · Hewlett-Packard Co. · Sep 1993
HEWLETT-PACKARD MODEL M1351A FETAL MONITOR
K921957 · Hewlett-Packard Co. · Sep 1993