Cleared Traditional

K811393 - DOWNS CAP FLOW GENERATOR (FDA 510(k) Clearance)

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

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Jun 1981
Decision
22d
Days
Class 2
Risk

K811393 is an FDA 510(k) clearance for the DOWNS CAP FLOW GENERATOR. Classified as Mixer, Breathing Gases, Anesthesia Inhalation (product code BZR), Class II - Special Controls.

Submitted by Vital Signs, Inc. (East Rutherford, US). The FDA issued a Cleared decision on June 9, 1981 after a review of 22 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5330 - the FDA anesthesiology and respiratory 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 Vital Signs, Inc. devices

Submission Details

510(k) Number K811393 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 18, 1981
Decision Date June 09, 1981
Days to Decision 22 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
117d faster than avg
Panel avg: 139d · This submission: 22d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BZR Mixer, Breathing Gases, Anesthesia Inhalation
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5330
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 Anesthesiology devices follow this clearance model.

Regulatory Peers - BZR Mixer, Breathing Gases, Anesthesia Inhalation

All 54
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