Cleared Traditional

K900673 - SERIAL FLOW

K900673 is an FDA 510(k) clearance for SERIAL FLOW, manufactured by Spirometrics, Inc.. The device is a Class 2 Anesthesiology device with product code BZG cleared through the Traditional 510(k) pathway after a 49-day FDA review.

K900673 · Spirometrics, Inc. · Anesthesiology device
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Apr 1990
Decision
49d
Days
Class 2
Risk

K900673 is an FDA 510(k) clearance for the SERIAL FLOW. Classified as Spirometer, Diagnostic (product code BZG), Class II - Special Controls.

Submitted by Spirometrics, Inc. (Auburn, US). The FDA issued a Cleared decision on April 3, 1990 after a review of 49 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 Spirometrics, Inc. devices

FDA 510(k) Submission Details - K900673

510(k) Number K900673 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 13, 1990
Decision Date April 03, 1990
Days to Decision 49 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: 140d · This submission: 49d
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 142
Devices cleared under the same product code (BZG) and FDA review panel - the closest regulatory comparables to K900673.
SPIROSIFT 500A
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K900391 · Fukuda Denshi USA, Inc. · Apr 1990
SPIROSCAN 4000
K896924 · Brentwood Instruments, Inc. · Mar 1990
MODIFIED SPIROSCAN 1000
K897094 · Fukuda Denshi USA, Inc. · Jan 1990
PNEUMOCHECK W/PRINTER/CHARGER AND ACCESSORIES
K895253 · Welch Allyn, Inc. · Nov 1989