Cleared Traditional

OXYGEN HUMIDIFIER KIT (K790731) - FDA 510(k) Clearance

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

K790731 · Abbott Laboratories · Anesthesiology device
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May 1979
Decision
22d
Days
Class 2
Risk

K790731 is an FDA 510(k) clearance for the OXYGEN HUMIDIFIER KIT. Classified as Humidifier, Respiratory Gas, (direct Patient Interface) (product code BTT), Class II - Special Controls.

Submitted by Abbott Laboratories (Abbott Park, US). The FDA issued a Cleared decision on May 8, 1979 after a review of 22 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5450 - 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 Abbott Laboratories devices

Submission Details

510(k) Number K790731 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 16, 1979
Decision Date May 08, 1979
Days to Decision 22 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
118d faster than avg
Panel avg: 140d · This submission: 22d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BTT Humidifier, Respiratory Gas, (direct Patient Interface)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5450
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 - BTT Humidifier, Respiratory Gas, (direct Patient Interface)

All 52
Devices cleared under the same product code (BTT) and FDA review panel - the closest regulatory comparables to K790731.
STERILE WATER & SALINE IN PLASTIC BTL.
K800753 · Travenol Laboratories, S.A. · Apr 1980
VENTILATOR SET
K800056 · Abbott Laboratories · Jan 1980
STERILE WATER FOR RESPIRATORY THERAPY
K791683 · Abbott Laboratories · Sep 1979
CONTINUOUS FEED VALVE 2D9024
K781468 · Travenol Laboratories, S.A. · Sep 1978
RESPIRATORY THERAPY SOLUTIONS - FLEXIBLE
K780381 · Travenol Laboratories, S.A. · May 1978
RESPIRATORY THERAPY SOLUTIONS - FLEXIBLE
K780385 · Travenol Laboratories, S.A. · May 1978