Respiratory sensor suits pediatrics

-October 09, 2017

Masimo’s RAS-45 acoustic respiration sensor delivers the same performance as its predecessor, the RAS-125c, but in a smaller size and with lighter, more flexible adhesive. This makes the RAS-45 well-suited for monitoring pediatric patients, as well as adults with shorter necks.

Using acoustic signal processing that employs Masimo’s signal extraction technology, the respiratory signal is separated and processed to display continuous respiratory rate and respiratory waveform, with the option to listen to the sound of breathing from the acoustic sensor. In a study of 98 patients consciously sedated during upper gastrointestinal endoscopy, researchers found that monitoring with the RAS-125c sensor more accurately assessed respiration rate than capnography using end-tidal carbon dioxide measurement or impedance pneumography. RAS-45 maintains the same performance parameters, range, and accuracy specification as RAS-125c.

Like the RAS-125c sensor, the RAS-45 operates with Masimo MX series boards to measure respiratory rate, display the acoustic respiration waveform, and optionally allow clinicians to listen to breathing. Both sensors are intended for adult and pediatric patients who weigh more than 10 kg.

RAS-45 product page

Masimo, www.masimo.com

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