Cleared Traditional

K853407 - INTRA VAGINAL TRANSDUCER (FDA 510(k) Clearance)

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

K853407 · Advanced Technology Laboratories, Inc. · Obstetrics & Gynecology device
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Sep 1985
Decision
46d
Days
Class 2
Risk

K853407 is an FDA 510(k) clearance for the INTRA VAGINAL TRANSDUCER. Classified as Imager, Ultrasonic Obstetric-gynecologic (product code HEM), Class II - Special Controls.

Submitted by Advanced Technology Laboratories, Inc. (Bothell, US). The FDA issued a Cleared decision on September 27, 1985 after a review of 46 days - a notably fast clearance cycle.

This device falls under the Obstetrics & Gynecology FDA review panel, regulated under 21 CFR 884.2225 - 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 Advanced Technology Laboratories, Inc. devices

Submission Details

510(k) Number K853407 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 12, 1985
Decision Date September 27, 1985
Days to Decision 46 days
Submission Type Traditional
Review Panel Obstetrics & Gynecology (OB)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
114d faster than avg
Panel avg: 160d · This submission: 46d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HEM Imager, Ultrasonic Obstetric-gynecologic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 884.2225
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.