Cleared Traditional

K914777 - SIGMA PROCEDURE NO. 333-UV (FDA 510(k) Clearance)

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

K914777 · Sigma Diagnostics, Inc. · Toxicology device
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Dec 1991
Decision
65d
Days
Class 2
Risk

K914777 is an FDA 510(k) clearance for the SIGMA PROCEDURE NO. 333-UV. Classified as Nad-nadh, Specific Reagent For Alcohol Enzyme Method (product code DML), Class II - Special Controls.

Submitted by Sigma Diagnostics, Inc. (St. Louis, US). The FDA issued a Cleared decision on December 27, 1991 after a review of 65 days - a notably fast clearance cycle.

This device falls under the Toxicology FDA review panel, regulated under 21 CFR 862.3040 - the FDA toxicology device 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 Sigma Diagnostics, Inc. devices

Submission Details

510(k) Number K914777 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 23, 1991
Decision Date December 27, 1991
Days to Decision 65 days
Submission Type Traditional
Review Panel Toxicology (TX)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
22d faster than avg
Panel avg: 87d · This submission: 65d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DML Nad-nadh, Specific Reagent For Alcohol Enzyme Method
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 862.3040
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 Toxicology devices follow this clearance model.