Cleared Traditional

K842446 - DILU-MATIC 140 (FDA 510(k) Clearance)

Class I Hematology device.

K842446 · Abbott Diagnostics · Hematology device
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Sep 1984
Decision
77d
Days
Class 1
Risk

K842446 is an FDA 510(k) clearance for the DILU-MATIC 140. Classified as Apparatus, Automated Blood Cell Diluting (product code GKH), Class I - General Controls.

Submitted by Abbott Diagnostics (Mountain View, US). The FDA issued a Cleared decision on September 6, 1984 after a review of 77 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5240 - the FDA hematology 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.

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Submission Details

510(k) Number K842446 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 21, 1984
Decision Date September 06, 1984
Days to Decision 77 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
36d faster than avg
Panel avg: 113d · This submission: 77d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code GKH Apparatus, Automated Blood Cell Diluting
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 864.5240
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.