Cleared Traditional

ALOKA UST-964P-5 ENDOVAGINAL TRANSDUCER (K903316) - FDA 510(k) Clearance

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

K903316 · Ge Medical Systems Information Technologies · Obstetrics & Gynecology device
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Aug 1990
Decision
28d
Days
Class 2
Risk

K903316 is an FDA 510(k) clearance for the ALOKA UST-964P-5 ENDOVAGINAL TRANSDUCER. Classified as Transducer, Ultrasonic, Obstetric (product code HGL), Class II - Special Controls.

Submitted by Ge Medical Systems Information Technologies (Wallingford, US). The FDA issued a Cleared decision on August 22, 1990 after a review of 28 days - a notably fast clearance cycle.

This device falls under the Obstetrics & Gynecology FDA review panel, regulated under 21 CFR 884.2960 - 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.

View all Ge Medical Systems Information Technologies devices

Submission Details

510(k) Number K903316 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 25, 1990
Decision Date August 22, 1990
Days to Decision 28 days
Submission Type Traditional
Review Panel Obstetrics & Gynecology (OB)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
132d faster than avg
Panel avg: 160d · This submission: 28d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HGL Transducer, Ultrasonic, Obstetric
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 884.2960
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 - HGL Transducer, Ultrasonic, Obstetric

All 7
Devices cleared under the same product code (HGL) and FDA review panel - the closest regulatory comparables to K903316.
ALOKA MODEL SSD-650 ULTRASOUND IMAGING SYSTEM
K895449 · Ge Medical Systems Information Technologies · Mar 1990
HP MODEL M1318A TRANSVAGINAL ULTRASOUND TRANSDUCER
K895026 · Hewlett-Packard Co. · Nov 1989
SIEMENS INTRAVAGINAL TRANSDUCER
K881405 · Siemens Medical Solutions USA, Inc. · Aug 1988
280SL IMAGING SYSTEM TRANVAGINAL PROBES
K864151 · Ge Medical Systems Information Technologies · Mar 1987
TRANSVAGINAL TRANSDUCER, 5MHZ
K860234 · Philips Medical Systems, Inc. · May 1986
3.0 MHZ LINEAR ARRAY PROBE MODEL UST 5031
K860313 · Johnson & Johnson Professionals, Inc. · Mar 1986