Cleared Traditional

K911358 - CMD/DLCO DIAGNOSTIC SPIROMETER

K911358 is the FDA 510(k) clearance for CMD/DLCO DIAGNOSTIC SPIROMETER by Spirometrics, Inc.. It is a Class 2 Anesthesiology device (product code BTY) cleared through the Traditional 510(k) pathway after a 116-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 1991
Decision
116d
Days
Class 2
Risk

K911358 is an FDA 510(k) clearance for the CMD/DLCO DIAGNOSTIC SPIROMETER. Classified as Calculator, Predicted Values, Pulmonary Function (product code BTY), Class II - Special Controls.

Submitted by Spirometrics, Inc. (Auburn, US). The FDA issued a Cleared decision on July 22, 1991 after a review of 116 days - within the typical 510(k) review window.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1890 - 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 Spirometrics, Inc. devices

Submission Details

510(k) Number K911358 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 28, 1991
Decision Date July 22, 1991
Days to Decision 116 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
24d faster than avg
Panel avg: 140d · This submission: 116d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BTY Calculator, Predicted Values, Pulmonary Function
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.1890
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 - BTY Calculator, Predicted Values, Pulmonary Function

All 10
Devices cleared under the same product code (BTY) and FDA review panel - the closest regulatory comparables to K911358.
Cosmed Q-NRG / Q-NRG+ Portable Metabolic Monitors
K190800 · Cosmed Srl · Feb 2020
Ascent Cardiorespiratory Diagnostic Software
K181912 · Medical Graphics Corporation · Apr 2019
SpiroSphere
K173937 · Eresearchtechnology GmbH · Feb 2019
ELECTRONIC SPIROMETER MODEL MFR-8100
K810712 · Nihon Kohden America, Inc. · Mar 1981