Cleared Traditional

K851940 - STERILE WATER FOR INHALATION USP 2D0799 (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 1985
Decision
48d
Days
Class 2
Risk

K851940 is an FDA 510(k) clearance for the STERILE WATER FOR INHALATION USP 2D0799. Classified as Humidifier, Respiratory Gas, (direct Patient Interface) (product code BTT), Class II - Special Controls.

Submitted by Travenol Laboratories, S.A. (Deerfield, US). The FDA issued a Cleared decision on June 20, 1985 after a review of 48 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 Travenol Laboratories, S.A. devices

Submission Details

510(k) Number K851940 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 03, 1985
Decision Date June 20, 1985
Days to Decision 48 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
91d faster than avg
Panel avg: 139d · This submission: 48d
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 220
Devices cleared under the same product code (BTT) and FDA review panel - the closest regulatory comparables to K851940.
HVT 2.0
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K250312 · Medline Industries, LP · Jul 2025
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