In 1995, Masimo debuted measure-through motion and low perfusion pulse oximetry, known as Masimo SET — a breakthrough in pulse oximetry technology that virtually eliminated false alarms and increased pulse oximetry’s ability to detect life-threatening events. More than 100 independent and objective studies demonstrate that Masimo SET provides the most reliable SpO2 and pulse rate measurements even under the most challenging clinical conditions, including patient motion and low peripheral perfusion.

In 2005, Masimo introduced Masimo Rainbow Pulse CO-Oximetry, a breakthrough noninvasive blood constituent monitoring platform that measures many blood constituents that previously required invasive procedures. Masimo Rainbow SET continuously and noninvasively measures total hemoglobin (SpHb™), oxygen content (SpOC™), carboxyhemoglobin (SpCO®), methemoglobin (SpMet®) and pleth variability index (PVI®), in addition to oxyhemoglobin (SpO2), pulse rate (PR), and perfusion index (PI), enabling early detection and treatment of potentially life-threatening conditions.

For more than 20 years now, Masimo has been focused on a singular mission — to create noninvasive patient monitoring technologies that are more effective and reliable and to improve patient outcomes and reduce the cost of care by bringing these technologies to new sites and applications. The result is a portfolio of clinically-proven products that lead the way in innovation, performance and patient safety by giving health care providers the information they need to optimize clinical decision-making.">
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Masimo

http://www.masimo.com/
Last activity: 20.03.2026
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Categories: BiotechHealthcareMedicalDevicesMonitoringTechnology
A key medical technology innovator, Masimo is responsible for the invention of award-winning noninvasive technologies that are revolutionizing patient monitoring, including Masimo SET® pulse oximetry, Masimo Rainbow Pulse CO-Oximetry and new Masimo noninvasive and continuous total hemoglobin (SpHb™) monitoring technology. The recent introduction of the first-and-only FDA-cleared technology that noninvasively and continuously measures total hemoglobin without a painful needle stick and invasive blood draw is expected to open new markets and significantly expand the company’s growth opportunities.

Joe Kiani founded Masimo in 1989 as a private "garage start-up" company because he was convinced that the use of adaptive signal processing in the measurement of physiological parameters could solve the problems of low perfusion and motion, which had long plagued in-vivo monitoring and especially pulse oximetry. Today, Masimo has grown into a successful publicly-traded medical technology company employing over 2,500 people worldwide with product revenues that have increased 4-fold in the last five years. In addition, with technology license and OEM agreements with leading patient monitoring manufacturers spanning the globe —such as Atom, Datascope, GE Medical, Medtronic, Philips, Spacelabs and Zoll, among others. Masimo is not only the inventor of measure-through motion and low perfusion pulse oximetry and Pulse CO-Oximetry technologies, but is also the market-leading pulse oximetry technology solution.

In 1995, Masimo debuted measure-through motion and low perfusion pulse oximetry, known as Masimo SET — a breakthrough in pulse oximetry technology that virtually eliminated false alarms and increased pulse oximetry’s ability to detect life-threatening events. More than 100 independent and objective studies demonstrate that Masimo SET provides the most reliable SpO2 and pulse rate measurements even under the most challenging clinical conditions, including patient motion and low peripheral perfusion.

In 2005, Masimo introduced Masimo Rainbow Pulse CO-Oximetry, a breakthrough noninvasive blood constituent monitoring platform that measures many blood constituents that previously required invasive procedures. Masimo Rainbow SET continuously and noninvasively measures total hemoglobin (SpHb™), oxygen content (SpOC™), carboxyhemoglobin (SpCO®), methemoglobin (SpMet®) and pleth variability index (PVI®), in addition to oxyhemoglobin (SpO2), pulse rate (PR), and perfusion index (PI), enabling early detection and treatment of potentially life-threatening conditions.

For more than 20 years now, Masimo has been focused on a singular mission — to create noninvasive patient monitoring technologies that are more effective and reliable and to improve patient outcomes and reduce the cost of care by bringing these technologies to new sites and applications. The result is a portfolio of clinically-proven products that lead the way in innovation, performance and patient safety by giving health care providers the information they need to optimize clinical decision-making.
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Location: United States
Employees: 1001-5000
Phone: +1 949-297-7000
Founded date: 1991

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DateTitleDescription
21.03.2026Surf Therapeutics Secures $6M, Advances Non-Invasive Arthritis TreatmentSurf Therapeutics, an Austin, Texas biotechnology firm, has raised $6 million in total seed funding. This capital boost supports its innovative non-invasive ultrasound neuromodulation therapy. The company's SUSTAIN platform targets chronic ...
20.03.2026Apple fends off bid for new Apple Watch import ban at US trade tribunalPrevious FILE PHOTO: A customer uses his iPhone to take pictures of the new Apple Watch displayed at an Apple Store in Paris April 10, 2015. REUTERS/Christian Hartmann/File Photo FILE PHOTO: An Apple smartwatch is displayed as customers vis...
17.03.2026Surf Therapeutics: $6 Million Raised As Ultrasound Neuromodulation Company Advances Rheumatoid Arthritis Clinical StudySurf Therapeutics, a clinical-stage biotechnology company developing non-invasive ultrasound neuromodulation therapies for immune-mediated diseases, announced positive first-in-human study results alongside an extension of its seed financin...
17.02.2026Американский биотех-конгломерат Danaher покупает производителя пульсоксиметров Masimo за $9,9 млрдВо вторник компании сообщили, что Danaher заплатит $180 за акцию Masimo. Это предложение предполагает премию в 38,3% к цене закрытия акций Masimo на предыдущей сессии. Это крупнейшая сделка Danaher с момента покупки в 2023 году производител...
17.02.2026Stocks making the biggest moves premarket: Warner Bros. Discovery, Paramount Skydance, Masimo, Danaher & more-
17.11.2025Your Apple Watch could face a new US import ban over $634m fightWhat’s happened? The US International Trade Commission has opened a new review that could again block imports of updated Apple Watch models into the country. On the same day, a California jury ordered Apple to pay Masimo $634 million over b...
15.11.2025US jury says Apple must pay Masimo $634 million in smartwatch patent caseA federal jury in California said on Friday that Apple owes medical-monitoring technology company Masimo $634 million for infringing a patent covering blood-oxygen reading technology. The jury agreed with Masimo that the Apple Watch's worko...
15.11.2025US trade tribunal to consider new Apple Watch import banThe U.S. International Trade Commission decided on Friday to hold a new proceeding to determine whether imports of Apple's updated Apple Watches should be banned as part of a patent dispute with medical monitoring technology company Masimo....
14.11.2025Clairity: $43 Million Series B Raised To Advance FDA-Authorized AI Platform For Breast Cancer Risk PredictionClairity, the Boston-based precision health company developing AI-driven risk prediction tools from standard medical imaging, has raised $43 million in Series B funding to accelerate commercialization of its flagship product and expand into...
21.10.2025AI startup InvestorSight, advisory firm Longacre Square announce partnershipNEW YORK :Corporate advisory firm Longacre Square Partners has formed a strategic partnership with artificial intelligence startup InvestorSight to give its clients access to AI tools to assess investor behavior in takeovers and board fight...
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