Cleared Traditional

K961610 - R & D SYSTEMS' WHOLE BLOOD FLOW CONTROL, (R & D - WBFC)

K961610 is an FDA 510(k) clearance for R & D SYSTEMS' WHOLE BLOOD FLOW CONTROL, manufactured by R&D Systems, Inc.. The device is a Class 2 Hematology device with product code GKZ cleared through the Traditional 510(k) pathway after a 67-day FDA review.

K961610 · R&D Systems, Inc. · Hematology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 1996
Decision
67d
Days
Class 2
Risk

K961610 is an FDA 510(k) clearance for the R & D SYSTEMS' WHOLE BLOOD FLOW CONTROL, (R & D - WBFC). Classified as Counter, Differential Cell (product code GKZ), Class II - Special Controls.

Submitted by R&D Systems, Inc. (Minneapolis, US). The FDA issued a Cleared decision on July 1, 1996 after a review of 67 days - a notably fast clearance cycle.

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: 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

FDA 510(k) Submission Details - K961610

510(k) Number K961610 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 25, 1996
Decision Date July 01, 1996
Days to Decision 67 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
46d faster than avg
Panel avg: 113d · This submission: 67d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GKZ Device Classification - Class 2, Special Controls

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

All 295
Devices cleared under the same product code (GKZ) and FDA review panel - the closest regulatory comparables to K961610.
RETICULOCYTE METHOD, RBC INDICES
K954594 · Bayer Corp. · Aug 1996
COULTER STKS ANALYZER WITH CD4 & CD8 LYMPHOCYTE ANALYSIS
K961278 · Coulter Corp. · Jul 1996
MOUSE ANTI-HUMAN CD3, T-CELL, FITC AND CD4, T-CELL, (HELPER/INDUCER) RPE
K961701 · Dako Corp. · Jul 1996
MOUSE ANTI-HUMAN CD3, T-CELL/FITC & CD19, B-CELL/RPE
K960531 · Dako Corp. · Jun 1996
MOUSE ANTI-HUMAN CD2, T-CELL/FITC AND MOUSE ANTI-HUMAN CD19, B-CELL/RPE
K961435 · Dako Corp. · Jun 1996
FACSCOMP SOFTWARE & CALIBRITE 3 COLOR BEADS KIT/CALIBRITE PERCP BEADS
K961623 · Becton Dickinson Monoclonal Center · Jun 1996