Cleared Traditional

K843910 - COULTER MEAN PLATELET VOLUME CALIBRATOR (FDA 510(k) Clearance)

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

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Jan 1985
Decision
96d
Days
Class 2
Risk

K843910 is an FDA 510(k) clearance for the COULTER MEAN PLATELET VOLUME CALIBRATOR. Classified as Calibrator For Platelet Counting (product code KRY), Class II - Special Controls.

Submitted by Coulter Electronics, Inc. (Hialeah, US). The FDA issued a Cleared decision on January 7, 1985 after a review of 96 days - within the typical 510(k) review window.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.8175 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Hematology review framework, consistent with the majority of Class II 510(k) submissions.

View all Coulter Electronics, Inc. devices

Submission Details

510(k) Number K843910 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 03, 1984
Decision Date January 07, 1985
Days to Decision 96 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
17d faster than avg
Panel avg: 113d · This submission: 96d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KRY Calibrator For Platelet Counting
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.8175
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 Hematology devices follow this clearance model.