Cleared Traditional

K841057 - HEMOGLOBIN REAGENT SET (FDA 510(k) Clearance)

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

K841057 · Medical Specialties, Inc. · Hematology device
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Mar 1984
Decision
11d
Days
Class 2
Risk

K841057 is an FDA 510(k) clearance for the HEMOGLOBIN REAGENT SET. Classified as System, Hemoglobin, Automated (product code GKR), Class II - Special Controls.

Submitted by Medical Specialties, Inc. (Mchenry, US). The FDA issued a Cleared decision on March 23, 1984 after a review of 11 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.5620 - 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 Medical Specialties, Inc. devices

Submission Details

510(k) Number K841057 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 12, 1984
Decision Date March 23, 1984
Days to Decision 11 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
102d faster than avg
Panel avg: 113d · This submission: 11d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GKR System, Hemoglobin, Automated
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.5620
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.