Cleared Traditional

K820959 - BLOOD FLOW ANALYZER

K820959 is the FDA 510(k) clearance for BLOOD FLOW ANALYZER by Biofax Medical Instrumentation Co.. It is a Class 2 Cardiovascular device (product code DSB) cleared through the Traditional 510(k) pathway after a 49-day FDA review.

K820959 · Biofax Medical Instrumentation Co. · Cardiovascular device
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May 1982
Decision
49d
Days
Class 2
Risk

K820959 is an FDA 510(k) clearance for the BLOOD FLOW ANALYZER. Classified as Plethysmograph, Impedance (product code DSB), Class II - Special Controls.

Submitted by Biofax Medical Instrumentation Co. (Walker, US). The FDA issued a Cleared decision on May 25, 1982 after a review of 49 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2770 - the FDA cardiovascular device oversight 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 Biofax Medical Instrumentation Co. devices

Submission Details

510(k) Number K820959 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 06, 1982
Decision Date May 25, 1982
Days to Decision 49 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
76d faster than avg
Panel avg: 125d · This submission: 49d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DSB Plethysmograph, Impedance
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2770
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 Cardiovascular devices follow this clearance model.