Cleared Traditional

K931112 - MODEL PB3300 INTRA-ARTER BLOOD GAS MONIT SYS, MODI (FDA 510(k) Clearance)

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

K931112 · Puritan Bennett Corp. · Anesthesiology device
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Jun 1993
Decision
89d
Days
Class 2
Risk

K931112 is an FDA 510(k) clearance for the MODEL PB3300 INTRA-ARTER BLOOD GAS MONIT SYS, MODI. Classified as Analyzer, Ion, Hydrogen-ion (ph), Blood-phase, Indwelling (product code CBZ), Class II - Special Controls.

Submitted by Puritan Bennett Corp. (Carlsbad, US). The FDA issued a Cleared decision on June 1, 1993 after a review of 89 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1170 - 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 Puritan Bennett Corp. devices

Submission Details

510(k) Number K931112 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 04, 1993
Decision Date June 01, 1993
Days to Decision 89 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
50d faster than avg
Panel avg: 139d · This submission: 89d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CBZ Analyzer, Ion, Hydrogen-ion (ph), Blood-phase, Indwelling
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.1170
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.