Cleared Traditional

K791022 - PROTHROMBIN REFERENCE PLASMA (HUMAN)

K791022 is the FDA 510(k) clearance for PROTHROMBIN REFERENCE PLASMA (HUMAN) by Pacific Hemostasis. It is a Class 2 Hematology device (product code GJS) cleared through the Traditional 510(k) pathway after a 55-day FDA review.

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Jul 1979
Decision
55d
Days
Class 2
Risk

K791022 is an FDA 510(k) clearance for the PROTHROMBIN REFERENCE PLASMA (HUMAN). Classified as Test, Time, Prothrombin (product code GJS), Class II - Special Controls.

Submitted by Pacific Hemostasis (Mchenry, US). The FDA issued a Cleared decision on July 24, 1979 after a review of 55 days - a notably fast clearance cycle.

This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.7750 - 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 Pacific Hemostasis devices

Submission Details

510(k) Number K791022 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 30, 1979
Decision Date July 24, 1979
Days to Decision 55 days
Submission Type Traditional
Review Panel Hematology (HE)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
58d faster than avg
Panel avg: 113d · This submission: 55d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code GJS Test, Time, Prothrombin
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 864.7750
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.