Cleared Traditional

K833231 - SOUND IMAGER I

K833231 is an FDA 510(k) clearance for SOUND IMAGER I, manufactured by Sound Imaging, Inc.. The device is a Class 2 Radiology device with product code IYO cleared through the Traditional 510(k) pathway after a 149-day FDA review.

K833231 · Sound Imaging, Inc. · Radiology device
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Feb 1984
Decision
149d
Days
Class 2
Risk

K833231 is an FDA 510(k) clearance for the SOUND IMAGER I. Classified as System, Imaging, Pulsed Echo, Ultrasonic (product code IYO), Class II - Special Controls.

Submitted by Sound Imaging, Inc. (Mchenry, US). The FDA issued a Cleared decision on February 4, 1984 after a review of 149 days - within the typical 510(k) review window.

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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Radiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Sound Imaging, Inc. devices

FDA 510(k) Submission Details - K833231

510(k) Number K833231 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 08, 1983
Decision Date February 04, 1984
Days to Decision 149 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
42d slower than avg
Panel avg: 107d · This submission: 149d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

IYO Device Classification - Class 2, Special Controls

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 706
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