Cleared Traditional

K841581 - UNIFILTER ANESTHESIA & RESPIRATORY FILT

K841581 is an FDA 510(k) clearance for UNIFILTER ANESTHESIA & RESPIRATORY FILT, manufactured by Dupaco, Inc.. The device is a Class 2 General Hospital device with product code CAH cleared through the Traditional 510(k) pathway after a 13-day FDA review.

K841581 · Dupaco, Inc. · General Hospital
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Apr 1984
Decision
13d
Days
Class 2
Risk

K841581 is an FDA 510(k) clearance for the UNIFILTER ANESTHESIA & RESPIRATORY FILT. Classified as Filter, Bacterial, Breathing-circuit (product code CAH), Class II - Special Controls.

Submitted by Dupaco, Inc. (Mchenry, US). The FDA issued a Cleared decision on April 30, 1984 after a review of 13 days - a notably fast clearance cycle.

This device falls under the General Hospital FDA review panel, regulated under 21 CFR 868.5260 - the FDA general hospital 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 Dupaco, Inc. devices

FDA 510(k) Submission Details - K841581

510(k) Number K841581 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 17, 1984
Decision Date April 30, 1984
Days to Decision 13 days
Submission Type Traditional
Review Panel General Hospital (HO)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
116d faster than avg
Panel avg: 129d · This submission: 13d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

CAH Device Classification - Class 2, Special Controls

Product Code CAH Filter, Bacterial, Breathing-circuit
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5260
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 General Hospital devices follow this clearance model.

Regulatory Peers - CAH Filter, Bacterial, Breathing-circuit

All 140
Devices cleared under the same product code (CAH) and FDA review panel - the closest regulatory comparables to K841581.
MEDIPART FILTER & TUBING MP-02X
K844491 · Medipart Jerry Alexander · Dec 1984
MEDIPART BACTERIA FILTER MP-30X
K844492 · Medipart Jerry Alexander · Dec 1984
ACCESSORY FOR ADULT VOL. VENTILATOR
K842580 · Infrasonics Corp. · Aug 1984
FILTER-FLEX
K841236 · Life Design Systems, Inc. · Apr 1984
PALL COALESCER
K840960 · Pall Biomedical Products Co. · Mar 1984
DRYDEN MINI BACTERIA FILTER
K840205 · Dryden Corp. · Feb 1984