Cleared Traditional

Masimo O3 Regional Oximeter System (K182429) - FDA 510(k) Clearance

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

K182429 · Masimo Corporation · Neurology device
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Jun 2019
Decision
274d
Days
Class 2
Risk

K182429 is an FDA 510(k) clearance for the Masimo O3 Regional Oximeter System. Classified as Oximeter, Tissue Saturation (product code MUD), Class II - Special Controls.

Submitted by Masimo Corporation (Irvine, US). The FDA issued a Cleared decision on June 7, 2019 after a review of 274 days - an extended review cycle.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 870.2700 - the FDA neurology 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 Neurology review framework, consistent with the majority of Class II 510(k) submissions.

View all Masimo Corporation devices

Submission Details

510(k) Number K182429 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 06, 2018
Decision Date June 07, 2019
Days to Decision 274 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
126d slower than avg
Panel avg: 148d · This submission: 274d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MUD Oximeter, Tissue Saturation
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2700
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 Neurology devices follow this clearance model.

Regulatory Peers - MUD Oximeter, Tissue Saturation

All 73
Devices cleared under the same product code (MUD) and FDA review panel - the closest regulatory comparables to K182429.
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