Cleared Traditional

ULTRASOUND SCANNER, HUDSON MODELS 8000 AND 9000 (K040926) - FDA 510(k) Clearance

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

K040926 · Hudson Diagnostic Imaging, LLC · Radiology device
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Jun 2004
Decision
63d
Days
Class 2
Risk

K040926 is an FDA 510(k) clearance for the ULTRASOUND SCANNER, HUDSON MODELS 8000 AND 9000. 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 Hudson Diagnostic Imaging, LLC (Elmwood Park, US). The FDA issued a Cleared decision on June 10, 2004 after a review of 63 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 Hudson Diagnostic Imaging, LLC devices

Submission Details

510(k) Number K040926 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 08, 2004
Decision Date June 10, 2004
Days to Decision 63 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
44d faster than avg
Panel avg: 107d · This submission: 63d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

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

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