Cleared Traditional

K851736 - COULTER CHANNELYZER 256

K851736 is an FDA 510(k) clearance for COULTER CHANNELYZER 256, manufactured by Coulter Electronics, Inc.. The device is a Class 2 Hematology device with product code GKL cleared through the Traditional 510(k) pathway after a 96-day FDA review.

K851736 · Coulter Electronics, Inc. · Hematology device
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Jul 1985
Decision
96d
Days
Class 2
Risk

K851736 is an FDA 510(k) clearance for the COULTER CHANNELYZER 256. Classified as Counter, Cell, Automated (particle Counter) (product code GKL), Class II - Special Controls.

Submitted by Coulter Electronics, Inc. (Hialeah, US). The FDA issued a Cleared decision on July 30, 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 864.5200 - 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

FDA 510(k) Submission Details - K851736

510(k) Number K851736 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 25, 1985
Decision Date July 30, 1985
Days to Decision 96 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
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.

GKL Device Classification - Class 2, Special Controls

Product Code GKL Counter, Cell, Automated (particle Counter)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5200
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.

Regulatory Peers - GKL Counter, Cell, Automated (particle Counter)

All 97
Devices cleared under the same product code (GKL) and FDA review panel - the closest regulatory comparables to K851736.
COULTER COUNTER MODEL T-660
K854114 · Coulter Electronics, Inc. · Nov 1985
COULTER COUNTER MODEL M5
K853429 · Coulter Electronics, Inc. · Oct 1985
COULTER VOLUME ADAPTER
K851943 · Coulter Electronics, Inc. · Aug 1985
SYSMEX E-3000, FULLY AUTOMATED HEMATOLOGY SYS
K850171 · Toa Medical Electronics USA, Inc. · May 1985
CELL-DYN 1000 AUTOMATED HEMATOLOGY ANALYZER
K845019 · Abbott Diagnostics · Mar 1985
COULTER COUNTER MODEL M4
K843303 · Coulter Electronics, Inc. · Dec 1984