Cleared Traditional

QBC(R) CENTRIFUGAL HEMATOLOGY CONTR/MULTI MODIFIED (K891907) - FDA 510(k) Clearance

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

K891907 · R&D Systems, Inc. · Hematology device
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Apr 1989
Decision
15d
Days
Class 2
Risk

K891907 is an FDA 510(k) clearance for the QBC(R) CENTRIFUGAL HEMATOLOGY CONTR/MULTI MODIFIED. Classified as Control, Cell Counter, Normal And Abnormal (product code JCN), Class II - Special Controls.

Submitted by R&D Systems, Inc. (Minneapolis, US). The FDA issued a Cleared decision on April 11, 1989 after a review of 15 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.8625 - 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.

View all R&D Systems, Inc. devices

Submission Details

510(k) Number K891907 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 27, 1989
Decision Date April 11, 1989
Days to Decision 15 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
98d faster than avg
Panel avg: 113d · This submission: 15d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JCN Control, Cell Counter, Normal And Abnormal
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.8625
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.