Cleared Traditional

K820365 - MARK 100 & 300 ULTRASOUND SYSTEM

K820365 is the FDA 510(k) clearance for MARK 100 & 300 ULTRASOUND SYSTEM by Advanced Technology Laboratories, Inc.. It is a Class 2 Radiology device (product code IYO) cleared through the Traditional 510(k) pathway after a 45-day FDA review.

K820365 · Advanced Technology Laboratories, Inc. · Radiology device
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Mar 1982
Decision
45d
Days
Class 2
Risk

K820365 is an FDA 510(k) clearance for the MARK 100 & 300 ULTRASOUND SYSTEM. Classified as System, Imaging, Pulsed Echo, Ultrasonic (product code IYO), Class II - Special Controls.

Submitted by Advanced Technology Laboratories, Inc. (Mchenry, US). The FDA issued a Cleared decision on March 26, 1982 after a review of 45 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1560 - 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 Advanced Technology Laboratories, Inc. devices

Submission Details

510(k) Number K820365 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 09, 1982
Decision Date March 26, 1982
Days to Decision 45 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
62d faster than avg
Panel avg: 107d · This submission: 45d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code IYO System, Imaging, Pulsed Echo, Ultrasonic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1560
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 - IYO System, Imaging, Pulsed Echo, Ultrasonic

All 423
Devices cleared under the same product code (IYO) and FDA review panel - the closest regulatory comparables to K820365.
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