Cleared Traditional

PERIFLUX PF-2 (K844631) - FDA 510(k) Clearance

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

K844631 · Medex, Inc. · Cardiovascular device
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Feb 1985
Decision
85d
Days
Class 2
Risk

K844631 is an FDA 510(k) clearance for the PERIFLUX PF-2. Classified as Flowmeter, Blood, Cardiovascular (product code DPW), Class II - Special Controls.

Submitted by Medex, Inc. (Hilliard, US). The FDA issued a Cleared decision on February 20, 1985 after a review of 85 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2100 - 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 Medex, Inc. devices

Submission Details

510(k) Number K844631 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 27, 1984
Decision Date February 20, 1985
Days to Decision 85 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
40d faster than avg
Panel avg: 125d · This submission: 85d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DPW Flowmeter, Blood, Cardiovascular
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2100
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.

Regulatory Peers - DPW Flowmeter, Blood, Cardiovascular

All 136
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