Cleared Traditional

K854571 - DEMAND FLOW VALVE & SONRA W/NASAL MASK

K854571 is the FDA 510(k) clearance for DEMAND FLOW VALVE & SONRA W/NASAL MASK by Gale E. Dryden. It is a Class 2 Anesthesiology device (product code CBN) cleared through the Traditional 510(k) pathway after a 88-day FDA review.

K854571 · Gale E. Dryden · Anesthesiology device
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Feb 1986
Decision
88d
Days
Class 2
Risk

K854571 is an FDA 510(k) clearance for the DEMAND FLOW VALVE & SONRA W/NASAL MASK. Classified as Apparatus, Gas-scavenging (product code CBN), Class II - Special Controls.

Submitted by Gale E. Dryden (Indianapolis, US). The FDA issued a Cleared decision on February 10, 1986 after a review of 88 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5430 - 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 Gale E. Dryden devices

Submission Details

510(k) Number K854571 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 14, 1985
Decision Date February 10, 1986
Days to Decision 88 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
52d faster than avg
Panel avg: 140d · This submission: 88d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CBN Apparatus, Gas-scavenging
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5430
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 - CBN Apparatus, Gas-scavenging

Devices cleared under the same product code (CBN) and FDA review panel - the closest regulatory comparables to K854571.
Nitronox Scavenger Plus
K223452 · Parker Hannifin Corporation · Mar 2023
Dynamic Gas Scavenging System 2 (DGSS - 2)
K193646 · Anesthetic Gas Reclamation, Inc. · Dec 2020
OPEN RESERVOIR SCAVENGER
K864034 · Draeger Medical, Inc. · Dec 1986
POSIVAC
K791127 · Vital Signs, Inc. · Jul 1979
NAD SCAVENGING RELIEF VALVE
K790333 · Draeger Medical, Inc. · Mar 1979