Cleared Traditional

SHIMADZU X-RAY HIGH-VOLTAGE GENERATOR XUD150K (K911339) - FDA 510(k) Clearance

Class I Radiology device.

K911339 · Shimadzu Medical Systems · Radiology device
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Apr 1991
Decision
21d
Days
Class 1
Risk

K911339 is an FDA 510(k) clearance for the SHIMADZU X-RAY HIGH-VOLTAGE GENERATOR XUD150K. Classified as Generator, High-voltage, X-ray, Diagnostic (product code IZO), Class I - General Controls.

Submitted by Shimadzu Medical Systems (Gardena, US). The FDA issued a Cleared decision on April 16, 1991 after a review of 21 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1700 - 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 Shimadzu Medical Systems devices

Submission Details

510(k) Number K911339 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 26, 1991
Decision Date April 16, 1991
Days to Decision 21 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
86d faster than avg
Panel avg: 107d · This submission: 21d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code IZO Generator, High-voltage, X-ray, Diagnostic
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 892.1700
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - IZO Generator, High-voltage, X-ray, Diagnostic

All 26
Devices cleared under the same product code (IZO) and FDA review panel - the closest regulatory comparables to K911339.
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