Cleared Traditional

K813544 - IREX 2D/DOPPLER PHASE ARRAY IMAGING SYS.

K813544 is an FDA 510(k) clearance for IREX 2D/DOPPLER PHASE ARRAY IMAGING SYS., manufactured by Irex Corp.. The device is a Class 2 Radiology device with product code IYN cleared through the Traditional 510(k) pathway after a 46-day FDA review.

K813544 · Irex Corp. · Radiology device
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Feb 1982
Decision
46d
Days
Class 2
Risk

K813544 is an FDA 510(k) clearance for the IREX 2D/DOPPLER PHASE ARRAY IMAGING SYS.. Classified as System, Imaging, Pulsed Doppler, Ultrasonic within the IYN classification (a category covering pulsed Doppler and ultrasound imaging systems), Class II - Special Controls.

Submitted by Irex Corp. (Walker, US). The FDA issued a Cleared decision on February 5, 1982 after a review of 46 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1550 - 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 Irex Corp. devices

FDA 510(k) Submission Details - K813544

510(k) Number K813544 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 21, 1981
Decision Date February 05, 1982
Days to Decision 46 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
61d faster than avg
Panel avg: 107d · This submission: 46d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

IYN Device Classification - Class 2, Special Controls

Product Code IYN System, Imaging, Pulsed Doppler, Ultrasonic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1550
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 - IYN System, Imaging, Pulsed Doppler, Ultrasonic

All 1118
Devices cleared under the same product code (IYN) and FDA review panel - the closest regulatory comparables to K813544.
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