Cleared Traditional

K910741 - HEPARIN CONTROLS, HIGH AND LOW

K910741 is an FDA 510(k) clearance for HEPARIN CONTROLS, manufactured by Sigma Diagnostics, Inc.. The device is a Class 2 Hematology device with product code KFF cleared through the Traditional 510(k) pathway after a 67-day FDA review.

K910741 · Sigma Diagnostics, Inc. · Hematology device
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Apr 1991
Decision
67d
Days
Class 2
Risk

K910741 is an FDA 510(k) clearance for the HEPARIN CONTROLS, HIGH AND LOW. Classified as Assay, Heparin (product code KFF), Class II - Special Controls.

Submitted by Sigma Diagnostics, Inc. (St. Louis, US). The FDA issued a Cleared decision on April 29, 1991 after a review of 67 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.7525 - 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.

FDA 510(k) Submission Details - K910741

510(k) Number K910741 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 21, 1991
Decision Date April 29, 1991
Days to Decision 67 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
46d faster than avg
Panel avg: 113d · This submission: 67d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KFF Device Classification - Class 2, Special Controls

Product Code KFF Assay, Heparin
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.7525
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 - KFF Assay, Heparin

All 46
Devices cleared under the same product code (KFF) and FDA review panel - the closest regulatory comparables to K910741.
SPECTROLYSE HEPARIN KIT
K923499 · Biopool AB · Jan 1994
BERICHROM HEPARIN
K925200 · Behring Diagnostics, Inc. · Jun 1993
HITT BY HEMOCHRON(R)
K910181 · International Technidyne Corp. · May 1991
HEMOCHRON(R) HEPARIN RESPONSE TEST
K904003 · Intensive Technology, Inc. · Nov 1990
ORGANON TEKNIDA CHROMOSTRAE (TM) HEPARIN ANTI-XA
K903841 · Organon Teknika Corp. · Oct 1990
COATEST LMW HEPARIN/HEPARIN CHROMOGENIC ASSAY
K901874 · Kabi Diagnostica · Jul 1990
K910741 · HEPARIN CONTROLS, HIGH AND LOW
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