Cleared Traditional

DIAG. ULTRASOUND B-SCANNER (K771869) - FDA 510(k) Clearance

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

K771869 · Accusonics, Inc. · Obstetrics & Gynecology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Nov 1977
Decision
30d
Days
Class 2
Risk

K771869 is an FDA 510(k) clearance for the DIAG. ULTRASOUND B-SCANNER. Classified as Transducer, Ultrasonic, Obstetric (product code HGL), Class II - Special Controls.

Submitted by Accusonics, Inc. (Mchenry, US). The FDA issued a Cleared decision on November 2, 1977 after a review of 30 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 Accusonics, Inc. devices

Submission Details

510(k) Number K771869 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 03, 1977
Decision Date November 02, 1977
Days to Decision 30 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
130d faster than avg
Panel avg: 160d · This submission: 30d
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 35
Devices cleared under the same product code (HGL) and FDA review panel - the closest regulatory comparables to K771869.
HP MODEL M1318A TRANSVAGINAL ULTRASOUND TRANSDUCER
K895026 · Hewlett-Packard Co. · Nov 1989
SIEMENS INTRAVAGINAL TRANSDUCER
K881405 · Siemens Medical Solutions USA, Inc. · Aug 1988
3.0 MHZ LINEAR ARRAY PROBE MODEL UST 5031
K860313 · Johnson & Johnson Professionals, Inc. · Mar 1986
ARTIUS SYSTEM
K771151 · General Electric Co. · Aug 1977