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Accuracy First

Accurate pulse oximetry for all patients and all clinical settings

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Sustainability Without Compromise

Reducing cost and waste—without compromising care

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Connected Care That Puts Patient Safety First

Join us at AARC to discover integrated monitoring designed for safer patient care.

Innovation in Monitoring

Mother embracing her child in a hospital setting while a Masimo sensor tracks her oxygen levels.

TECHNOLOGY

Masimo SET® Pulse Oximetry

Hospital patient using Masimo monitors and sensors for continuous vital signs and brain function monitoring.

TECHNOLOGY

SedLine® Brain Function Monitoring

Healthcare provider interacting with a Masimo patient monitoring system showing advanced vital sign trends.

PRODUCT

Root® Patient Monitoring and Connectivity Platform

Our Story

It began in the NICU, where a breakthrough in pulse oximetry helped save the lives of the most fragile patients.

What started as a fight for accuracy in critical moments has grown into a global mission—delivering life-saving technologies that empower clinicians and protect patients around the world.

News & Events

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SOCIAL MEDIA

Equitable Care Starts with Accurate Data

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SOCIAL MEDIA

Celebrating World Quality Week at Masimo!

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PRESS RELEASE

In Feasibility Study for Large, Prospective, Real-World

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PRESS RELEASE

New Study Finds That Using Masimo Technologies to

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PRESS RELEASE

Masimo Announces Expansion of Strategic Partnership

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PRESS RELEASE

Masimo O3® Regional Oximetry Receives FDA Clearance for Expanded Indication of Its Unique Delta Hemoglobin Parameters

“Conventional pulse oximeters are a fair-weather friend. Masimo SET® is a foul-weather friend.”

—Jeremy Swan, MD

“The Masimo Patient SafetyNet system makes it possible to identify patient distress earlier—preventing codes and rescues—and initiate appropriate intervention more rapidly to improve patient outcomes, recoveries and clinician efficiencies. All of this contributes to a safer general care floor for our patients.”

—George T. Blike, M.D.

“When we started to look for pulse oximetry technology, we found that the Masimo sensor had a lot of technology for rejecting noise and motion.”

—Susan McGrath, PhD

“SedLine [Brain Function Monitoring] gives me a better idea of where I stand at each phase of anesthesia. The PSi number helps guide me to make subtle changes in my anesthetic appropriate for the patient’s heart rate and blood pressure, and thus arrive at the end where I want to be.”

—David Drover, MD

“Masimo SET® [pulse oximetry] has played a critical role in helping to virtually eliminate severe infant eye damage.”

—Augusto Sola, MD

“Screening all babies in maternity units with Masimo SET® pulse oximetry significantly improves CCHD detection.”

—Anne de-Wahl Granelli, PhD

Sustainable Care Solutions

Designed to reduce waste, cost, and complexity

A Message from Our CEO

Guiding Masimo into the next era of innovation and patient impact.

Who We Are

We deliver innovations that empower clinicians to transform patient care. Guided by our commitment to patients first, innovation, and integrity, Masimo develops noninvasive monitoring solutions that help improve outcomes, reduce costs, and raise the standard of care worldwide.

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Trusted

by Leading Hospitals

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Millions

of Patients Monitored

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900+

Patents Globally

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Serving 30+

Countries

Investor Center

See how we’re building long-term value through innovation.

Making a Difference, Together

At Masimo, curiosity drives breakthroughs—and people make the difference.

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PLCO-007868/PLM-14304B-1125