Cleared Traditional

K160526 - Masimo O3 Regional Oximeter System

K160526 is the FDA 510(k) clearance for Masimo O3 Regional Oximeter System by Masimo Corporation. It is a Class 2 Cardiovascular device (product code MUD) cleared through the Traditional 510(k) pathway after a 105-day FDA review.

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jun 2016
Decision
105d
Days
Class 2
Risk

K160526 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 9, 2016 after a review of 105 days - within the typical 510(k) review window.

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

View all Masimo Corporation devices

Submission Details

510(k) Number K160526 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 25, 2016
Decision Date June 09, 2016
Days to Decision 105 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
20d faster than avg
Panel avg: 125d · This submission: 105d
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 Cardiovascular devices follow this clearance model.