Cleared Traditional

K854785 - ACUSON AL558 TRANSDUCER

K854785 is an FDA 510(k) clearance for ACUSON AL558 TRANSDUCER, manufactured by Acuson Computed Sonography. The device is a Class 2 Radiology device with product code ITX cleared through the Traditional 510(k) pathway after a 47-day FDA review.

K854785 · Acuson Computed Sonography · Radiology device
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Jan 1986
Decision
47d
Days
Class 2
Risk

K854785 is an FDA 510(k) clearance for the ACUSON AL558 TRANSDUCER. Classified as Transducer, Ultrasonic, Diagnostic (product code ITX), Class II - Special Controls.

Submitted by Acuson Computed Sonography (Mountain View, US). The FDA issued a Cleared decision on January 15, 1986 after a review of 47 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1570 - the FDA radiology and imaging software oversight 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 Acuson Computed Sonography devices

FDA 510(k) Submission Details - K854785

510(k) Number K854785 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 29, 1985
Decision Date January 15, 1986
Days to Decision 47 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
60d faster than avg
Panel avg: 107d · This submission: 47d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

ITX Device Classification - Class 2, Special Controls

Product Code ITX Transducer, Ultrasonic, Diagnostic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1570
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 Radiology devices follow this clearance model.

Regulatory Peers - ITX Transducer, Ultrasonic, Diagnostic

All 223
Devices cleared under the same product code (ITX) and FDA review panel - the closest regulatory comparables to K854785.
ACUSON L538 TRANSDUCER
K854787 · Acuson Computed Sonography · Mar 1986
ACUSON L312 TRANSDUCER
K853966 · Acuson Computed Sonography · Feb 1986
ACUSON NEEDLE GUIDE SYSTEM
K854429 · Acuson Computed Sonography · Feb 1986
ACUSON BL538 TRANSDUCER
K854786 · Acuson Computed Sonography · Jan 1986
ACUSON AL538 TRANSDUCER
K854788 · Acuson Computed Sonography · Jan 1986
ADR 3160 W/PROBES PLB-308M, PLB-508M, & PLB-310M
K852947 · Advanced Technology Laboratories, Inc. · Jan 1986