Cleared Traditional

K904432 - SLEEP I/T-5 AND SLEEP I/T-8 (FDA 510(k) Clearance)

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

K904432 · Cns, Inc. · Anesthesiology device
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Jul 1991
Decision
285d
Days
Class 2
Risk

K904432 is an FDA 510(k) clearance for the SLEEP I/T-5 AND SLEEP I/T-8. Classified as Monitor, Breathing Frequency (product code BZQ), Class II - Special Controls.

Submitted by Cns, Inc. (Chanhassen, US). The FDA issued a Cleared decision on July 10, 1991 after a review of 285 days - an extended review cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.2375 - 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 Cns, Inc. devices

Submission Details

510(k) Number K904432 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 28, 1990
Decision Date July 10, 1991
Days to Decision 285 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
146d slower than avg
Panel avg: 139d · This submission: 285d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BZQ Monitor, Breathing Frequency
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.2375
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 - BZQ Monitor, Breathing Frequency

All 173
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