Cleared Traditional

K922151 - WAKO AUTOKIT RF (FDA 510(k) Clearance)

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

K922151 · Wako Chemicals USA, Inc. · Immunology device
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Jul 1992
Decision
82d
Days
Class 2
Risk

K922151 is an FDA 510(k) clearance for the WAKO AUTOKIT RF. Classified as System, Test, Rheumatoid Factor (product code DHR), Class II - Special Controls.

Submitted by Wako Chemicals USA, Inc. (Richmond, US). The FDA issued a Cleared decision on July 28, 1992 after a review of 82 days - a notably fast clearance cycle.

This device falls under the Immunology FDA review panel, regulated under 21 CFR 866.5775 - the FDA immunology 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 Wako Chemicals USA, Inc. devices

Submission Details

510(k) Number K922151 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 07, 1992
Decision Date July 28, 1992
Days to Decision 82 days
Submission Type Traditional
Review Panel Immunology (IM)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
22d faster than avg
Panel avg: 104d · This submission: 82d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DHR System, Test, Rheumatoid Factor
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 866.5775
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 Immunology devices follow this clearance model.