Cleared Traditional

DYNAREX CPR SHIELD WITH ONE WAY VALVE AND BARRIER FILTER, MODEL 4921 (K052743) - FDA 510(k) Clearance

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

K052743 · Dynarex Corp. · Anesthesiology device
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Dec 2005
Decision
83d
Days
Class 2
Risk

K052743 is an FDA 510(k) clearance for the DYNAREX CPR SHIELD WITH ONE WAY VALVE AND BARRIER FILTER, MODEL 4921. Classified as Valve, Non-rebreathing (product code CBP), Class II - Special Controls.

Submitted by Dynarex Corp. (Orangeburg, US). The FDA issued a Cleared decision on December 22, 2005 after a review of 83 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5870 - 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 Dynarex Corp. devices

Submission Details

510(k) Number K052743 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 30, 2005
Decision Date December 22, 2005
Days to Decision 83 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
57d faster than avg
Panel avg: 140d · This submission: 83d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CBP Valve, Non-rebreathing
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5870
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 - CBP Valve, Non-rebreathing

Devices cleared under the same product code (CBP) and FDA review panel - the closest regulatory comparables to K052743.
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