Cleared Traditional

K971736 - SYSMEX IMMATURE RETICULOCYTE FRACTION (IRF) PARAMETER (FDA 510(k) Clearance)

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

K971736 · Sysmex Corp. · Hematology device
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Aug 1997
Decision
106d
Days
Class 2
Risk

K971736 is an FDA 510(k) clearance for the SYSMEX IMMATURE RETICULOCYTE FRACTION (IRF) PARAMETER. Classified as Counter, Differential Cell (product code GKZ), Class II - Special Controls.

Submitted by Sysmex Corp. (Long Grove, US). The FDA issued a Cleared decision on August 26, 1997 after a review of 106 days - within the typical 510(k) review window.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5220 - 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 Sysmex Corp. devices

Submission Details

510(k) Number K971736 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 12, 1997
Decision Date August 26, 1997
Days to Decision 106 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
7d faster than avg
Panel avg: 113d · This submission: 106d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GKZ Counter, Differential Cell
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5220
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 - GKZ Counter, Differential Cell

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