Cleared Traditional

K850415 - CRONEX KEVLAR CASSETTE (FDA 510(k) Clearance)

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

K850415 · E.I. Dupont DE Nemours & Co., Inc. · Radiology device
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May 1985
Decision
99d
Days
Class 2
Risk

K850415 is an FDA 510(k) clearance for the CRONEX KEVLAR CASSETTE. Classified as Cassette, Radiographic Film (product code IXA), Class II - Special Controls.

Submitted by E.I. Dupont DE Nemours & Co., Inc. (Wilmington, US). The FDA issued a Cleared decision on May 14, 1985 after a review of 99 days - within the typical 510(k) review window.

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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Radiology review framework, consistent with the majority of Class II 510(k) submissions.

View all E.I. Dupont DE Nemours & Co., Inc. devices

Submission Details

510(k) Number K850415 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 04, 1985
Decision Date May 14, 1985
Days to Decision 99 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
8d faster than avg
Panel avg: 107d · This submission: 99d
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.