Cleared Traditional

K903939 - PANDA HELIUM GAS ANALYZER (FDA 510(k) Clearance)

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

K903939 · Medical Associated Services, Inc. · Anesthesiology device
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Jan 1991
Decision
129d
Days
Class 2
Risk

K903939 is an FDA 510(k) clearance for the PANDA HELIUM GAS ANALYZER. Classified as Analyzer, Gas, Helium, Gaseous-phase (product code BSE), Class II - Special Controls.

Submitted by Medical Associated Services, Inc. (Hatfield, US). The FDA issued a Cleared decision on January 3, 1991 after a review of 129 days - within the typical 510(k) review window.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1640 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Anesthesiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Medical Associated Services, Inc. devices

Submission Details

510(k) Number K903939 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 27, 1990
Decision Date January 03, 1991
Days to Decision 129 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
10d faster than avg
Panel avg: 139d · This submission: 129d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BSE Analyzer, Gas, Helium, Gaseous-phase
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.1640
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.