Cleared Traditional

K925582 - MEDISON 4800

K925582 is an FDA 510(k) clearance for MEDISON 4800, manufactured by Medison America, Inc.. The device is a Class 2 Radiology device with product code IYO cleared through the Traditional 510(k) pathway after a 782-day FDA review.

K925582 · Medison America, Inc. · Radiology device
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Dec 1994
Decision
782d
Days
Class 2
Risk

K925582 is an FDA 510(k) clearance for the MEDISON 4800. Classified as System, Imaging, Pulsed Echo, Ultrasonic (product code IYO), Class II - Special Controls.

Submitted by Medison America, Inc. (Fremont, US). The FDA issued a Cleared decision on December 27, 1994 after a review of 782 days - an unusually long review period, suggesting complex equivalence evaluation.

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: High-complexity regulatory submission. Elevated predicate reliance profile. The extended review timeline suggests the FDA required additional documentation before confirming substantial equivalence - a pattern common in complex or first-of-kind Radiology submissions.

View all Medison America, Inc. devices

FDA 510(k) Submission Details - K925582

510(k) Number K925582 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 05, 1992
Decision Date December 27, 1994
Days to Decision 782 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
675d slower than avg
Panel avg: 107d · This submission: 782d
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

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