Cleared Traditional

K911994 - HEMOCHRON(R) APTT, MODIFICATION

K911994 is an FDA 510(k) clearance for HEMOCHRON APTT, manufactured by International Technidyne Corp.. The device is a Class 2 Hematology device with product code GFO cleared through the Traditional 510(k) pathway after a 86-day FDA review.

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Jul 1991
Decision
86d
Days
Class 2
Risk

K911994 is an FDA 510(k) clearance for the HEMOCHRON(R) APTT, MODIFICATION. Classified as Activated Partial Thromboplastin (product code GFO), Class II - Special Controls.

Submitted by International Technidyne Corp. (Edison, US). The FDA issued a Cleared decision on July 17, 1991 after a review of 86 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.7925 - 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 International Technidyne Corp. devices

FDA 510(k) Submission Details - K911994

510(k) Number K911994 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 22, 1991
Decision Date July 17, 1991
Days to Decision 86 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
27d faster than avg
Panel avg: 113d · This submission: 86d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

GFO Device Classification - Class 2, Special Controls

Product Code GFO Activated Partial Thromboplastin
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.7925
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 - GFO Activated Partial Thromboplastin

All 43
Devices cleared under the same product code (GFO) and FDA review panel - the closest regulatory comparables to K911994.
ACS APCT REAGENT
K921118 · Analytical Control Systems, Inc. · Jul 1992
ELLAGIC ACID APTT REAGENT
K915418 · Helena Laboratories · Feb 1992
HEMOCHRON ONESTEP APTT TEST
K915344 · International Technidyne Corp. · Feb 1992
ANTICARDIOLIPIN ANTIBODY TEST SYSTEM
K903531 · Medical Innovations Corp. · Jan 1991
THE THERATEST ACA TEST
K905301 · Theratest Laboratories, Inc. · Jan 1991
APTT REAGENT
K904341 · Sigma Chemical Co. · Nov 1990