Cleared Traditional

K954542 - LUNG DIFFUSION MIXTURE (FDA 510(k) Clearance)

Class I Anesthesiology device.

K954542 · Liquid Technology Corp. · Anesthesiology device
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Dec 1995
Decision
84d
Days
Class 1
Risk

K954542 is an FDA 510(k) clearance for the LUNG DIFFUSION MIXTURE. Classified as Gas, Calibration (specified Concentration) (product code BXK), Class I - General Controls.

Submitted by Liquid Technology Corp. (Orlando, US). The FDA issued a Cleared decision on December 22, 1995 after a review of 84 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.6400 - 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 Liquid Technology Corp. devices

Submission Details

510(k) Number K954542 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 29, 1995
Decision Date December 22, 1995
Days to Decision 84 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
55d faster than avg
Panel avg: 139d · This submission: 84d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code BXK Gas, Calibration (specified Concentration)
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 868.6400
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.