Cleared Traditional

MODEL AO-800PA CO2 MODULE (K894691) - FDA 510(k) Clearance

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

K894691 · Nihon Kohden America, Inc. · Anesthesiology device
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Dec 1989
Decision
151d
Days
Class 2
Risk

K894691 is an FDA 510(k) clearance for the MODEL AO-800PA CO2 MODULE. Classified as Analyzer, Gas, Carbon-dioxide, Gaseous-phase (product code CCK), Class II - Special Controls.

Submitted by Nihon Kohden America, Inc. (Irvine, US). The FDA issued a Cleared decision on December 22, 1989 after a review of 151 days - an extended review cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1400 - 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 Nihon Kohden America, Inc. devices

Submission Details

510(k) Number K894691 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 24, 1989
Decision Date December 22, 1989
Days to Decision 151 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
11d slower than avg
Panel avg: 140d · This submission: 151d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CCK Analyzer, Gas, Carbon-dioxide, Gaseous-phase
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.1400
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 - CCK Analyzer, Gas, Carbon-dioxide, Gaseous-phase

All 61
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K841498 · Nihon Kohden America, Inc. · May 1984
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K831447 · Hewlett-Packard Co. · Nov 1983