Cleared Traditional

K951367 - PORTA-SCREEN SPIROMETER

K951367 is an FDA 510(k) clearance for PORTA-SCREEN SPIROMETER, manufactured by S & M Instrument Co.. The device is a Class 2 Anesthesiology device with product code BZG cleared through the Traditional 510(k) pathway after a 18-day FDA review.

K951367 · S & M Instrument Co. · Anesthesiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Apr 1995
Decision
18d
Days
Class 2
Risk

K951367 is an FDA 510(k) clearance for the PORTA-SCREEN SPIROMETER. Classified as Spirometer, Diagnostic (product code BZG), Class II - Special Controls.

Submitted by S & M Instrument Co. (Doylestown, US). The FDA issued a Cleared decision on April 14, 1995 after a review of 18 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1840 - 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 S & M Instrument Co. devices

FDA 510(k) Submission Details - K951367

510(k) Number K951367 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 27, 1995
Decision Date April 14, 1995
Days to Decision 18 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
122d faster than avg
Panel avg: 140d · This submission: 18d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

BZG Device Classification - Class 2, Special Controls

Product Code BZG Spirometer, Diagnostic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.1840
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 - BZG Spirometer, Diagnostic

All 149
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