Cleared Traditional

K935397 - NUCLEAR ASSOCIATES KNIGHT SR., KNIGHT JR. AND SESAM PORTABLE RADIOGRAPHY CASSETTE HOLDERS (FDA 510(k) Clearance)

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

K935397 · Victoreen, Inc. · Radiology device
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Dec 1993
Decision
36d
Days
Class 2
Risk

K935397 is an FDA 510(k) clearance for the NUCLEAR ASSOCIATES KNIGHT SR., KNIGHT JR. AND SESAM PORTABLE RADIOGRAPHY CASS.... Classified as Cassette, Radiographic Film (product code IXA), Class II - Special Controls.

Submitted by Victoreen, Inc. (Cleveland, US). The FDA issued a Cleared decision on December 15, 1993 after a review of 36 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1850 - 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 Victoreen, Inc. devices

Submission Details

510(k) Number K935397 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 09, 1993
Decision Date December 15, 1993
Days to Decision 36 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
71d faster than avg
Panel avg: 107d · This submission: 36d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code IXA Cassette, Radiographic Film
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1850
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.