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How it works
rainbow SET® technology

Discover the benefits of noninvasive rainbow SET® technology


Philips patient monitors with integrated Masimo measurements work together to provide you with continuous visibility to core vital signs and advanced parameters at the point of care. So you can confidently provide the best patient experience possible – no matter where care takes place.

Let us show you how Philips monitors and Masimo measurements work together to deliver greater visibility and deeper insight at every stage of the care journey.

Masimo - continuous monitoring technology partner


Let’s collaborate so
you can know more
and respond sooner

Watch the horizon trends and parameters videos

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Philips IntelliVue and Masimo Horizon Trends


Horizon Trends are built into many Philips IntelliVue monitors and provide graphical representation of vital sign changes to make deviations easier to notice.

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Masimo rainbow SET® parameters


As part of the Philips / Masimo partnership, customers have access to Masimo’s noninvasive monitoring technologies in Philips IntelliVue monitors, including Masimo rainbow SET technology. The rainbow SET technology provides customers the option to purchase advance clinical measurement parameters.

Standard parameters

Masimo set pulse oximetry

Masimo SET™ pulse oximetry

pulse rate

Pulse rate

perfusion index

Perfusion Index

Optional parameters

Pleth variability index

Pleth Variability Index

Standard parameter

Total hemoglobin

Standard parameter

Methemoglobin saturation

Standard parameter


Standard parameter

Acoustic Respiration rate

Standard parameter

Oxygen content

Common measurement parameters


SpO2 - measure of oxygen saturation even through motion and low perfusion


SpHb1 - provides continuous visibility to changes – or lack of changes – in hemoglobin levels between invasive blood samples


PVi - measure of the dynamic changes in the Perfusion Index (PERF) that occur during one or more respiratory cycles

Let's collaborate so you can know more and respond sooner.

Intuitive display on Masimo measurements on Philips IntelliVue monitors

Clear and intuitive screen displays combine vital signs with Masimo rainbow SET parameters – providing trend data and current data on one easy-to-read screen.

Masimo rainbow SET parameters

Masimo rainbow SET parameters


SPO2 noninvasive oxygen saturation

SpHb noninvasive continuous hemoglobin

PVi Pleth Variability index

Pi PERF Perfusion index

SpOC noninvasive oxygen content

SpMet noninvasive methemoglobin

Masimo rainbow Horizon trends

Horizon trends


Horizon trends clearly indicate timely changes in patient condition – to aid you to quickly identify meaningful clinical deviations and take appropriate actions.

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Masimo clinical claims are referenced on this web page. All studies available at

(1) SpHb** monitoring is not intended to replace lab testing. Blood samples should be analyzed by lab instruments prior to clinical decision making.

(2) Transt . 2014. 5:237.DOl:10.4172/2155-9864.1000237

(3) Awada WN et al J Clin Mon it Comput. DOI 10.1007/s10877-015-9660-4.

*Study Protocol: In each group, if researchers noted SpHb trended downward below 10 g/dl, a red blood cell transfusion was started and continued until SpHb trended upward above 10 g/dl. The transfusion threshold of 10 g/dl was predetermined by the study protocol and may not be appropriate for all patients. Blood sampling was the same for the control and test group. Artertal blood was drawn from a 20 gauge radial.

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