Masimo Announces CE Marking and Release of Oxygen Reserve Index™ rainbow Lite Sensors
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Masimo RD rainbow Lite SET™ Sensor (Photo: Business Wire)
ORi is the first noninvasive and continuous parameter to provide insight into a patient’s oxygen reserve in the moderate hyperoxic range. In conjunction with SET® pulse oximetry, ORi may provide advanced warning of impending desaturation, which may allow clinicians to intervene sooner. For example, in a study of 25 pediatric patients undergoing general anesthesia with orotracheal intubation, researchers found that ORi helped clinicians identify impending desaturation a median of 31.5 seconds before noticeable changes in oxygen saturation (SpO2) occurred.2 In another recent study of 106 adult patients scheduled for surgery with arterial catheterization and intraoperative blood gases analyses, researchers found a significant relationship between change in PaO2 and change in ORi.3 In addition, ORi may provide insight into oxygen reserve when titrating patients who are receiving supplemental oxygen.4
Masimo RPVi is a multi-wavelength version of Pleth Variability Index (PVi). RPVi is designed to provide enhanced assessment of changes in fluid volume compared to PVi5, which has been shown in over 90 independent clinical studies to be as effective as invasive monitoring methods.6
With the addition of RD rainbow Lite SET, the RD family of sensors is now available in three levels of capability: RD SET, utilizing two wavelengths (2 LED) and featuring SET® pulse oximetry; RD rainbow Lite SET, which utilizes four wavelengths (4 LED) and adds the ability to measure ORi and RPVi; and RD rainbow SET, which utilizes over seven wavelengths (7+ LED) and enables the measurement of additional advanced noninvasive parameters such as SpHb® (total hemoglobin), SpCO® (carboxyhemoglobin), SpMet® (methemoglobin), and SpOC™ (oxygen content).
Like RD SET sensors, RD rainbow Lite SET sensors are designed to maximize patient comfort and optimize clinician workflow. The sensors are lightweight and have a flat, soft cable with smooth edges, so that they lie comfortably on a patient’s hand or foot. The sensors feature an intuitive sensor-to-cable connection, with tactile and audible feedback to ensure a proper connection, and have graphics printed on both sides to assist with application.
Devices with ORi and RPVi measurements and RD rainbow Lite SET sensors
have not received
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- Forget P, Lois F, de Kock M. Goal-Directed Fluid Management Based on the Pulse Oximeter-Derived Pleth Variability Index Reduces Lactate Levels and Improves Fluid Management. Anesth Analg. 2010 Oct; 111(4):910-4.
- Szmuk P, Steiner JW, Olomu PN, Ploski RP, Sessler DI, and Ezri T. Oxygen Reserve Index A Novel Noninvasive Measure of Oxygen Reserve—A Pilot Study. Anesthesiology. 4 2016, Vol. 124, 779-784. doi:10.1097/ALN.0000000000001009.
- Applegate R, Dorotta I, Wells B, Juma D, and Applegate P. The Relationship Between Oxygen Reserve Index and Arterial Partial Pressure of Oxygen During Surgery. Anesth Analg. 2016 Sep; 123(3); 626-633.
Scheeren TWL, Belda FJ and Perel A. The oxygen reserve index (ORi): a
new tool to monitor oxygen therapy. J
Clin Monit Comput. 2017. doi:10.1007/s10877-017-0049-4. Masimodata on file.
- Published clinical studies on PVi can be found at http://www.masimo.com/en-GB/home/clinical-evidence/pleth-variability-index-pvi/.
ORi has not received
*The use of the trademark Patient SafetyNet is under license from
- Castillo A et al. Prevention of Retinopathy of Prematurity in Preterm Infants through Changes in Clinical Practice and SpO2 Technology. Acta Paediatr. 2011 Feb; 100(2):188-92.
- de-Wahl Granelli A et al. Impact of pulse oximetry screening on the detection of duct dependent congenital heart disease: a Swedish prospective screening study in 39,821 newborns. BMJ. 2009;338.
- Taenzer AH et al. Impact of Pulse Oximetry Surveillance on Rescue Events and Intensive Care Unit Transfers: A Before-And-After Concurrence Study. Anesthesiology. 2010; 112(2):282-287.
- Taenzer AH et al. Postoperative Monitoring – The Dartmouth Experience. Anesthesia Patient Safety Foundation Newsletter. Spring-Summer 2012.
McGrath SP et al. Surveillance Monitoring Management for General Care
Units: Strategy, Design, and Implementation.
The Joint Commission Journal on Quality and Patient Safety. 2016 Jul; 42(7):293-302.
Masimodata on file.
This press release includes forward-looking statements as defined in
Section 27A of the Securities Act of 1933 and Section 21E of the
Securities Exchange Act of 1934, in connection with the Private
Securities Litigation Reform Act of 1995. These forward-looking
statements include, among others, statements regarding the potential
effectiveness of Masimo RD rainbow Lite SET™ sensors, ORi™, RPVi™, and
PVi®. These forward-looking statements are based on current
expectations about future events affecting us and are subject to risks
and uncertainties, all of which are difficult to predict and many of
which are beyond our control and could cause our actual results to
differ materially and adversely from those expressed in our
forward-looking statements as a result of various risk factors,
including, but not limited to: risks related to our assumptions
regarding the repeatability of clinical results; risks related to our