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RecruitingDevice study

Accuracy of the EvieMED Ring Pulse Oximeter in Profound Hypoxia

The goal of this study was to evaluate the accuracy of pulse oximeters over the range of 70-100% per the International Organization for Standardization (ISO) 80601-2-61:2019. Four test devices were placed on each subject on the left or right hand with two at the finger base and two at the fingertip. Motion equipment was used to control motion of the test devices. In addition, two test devices were placed on the contralateral hand on the base of a finger and also on the fingertip. Finally, a test wrist device was placed on either the left or right wrist. SpO2 measurements from these devices were compared to sampling of arterial blood during brief stable oxygen desaturation in healthy volunteers to evaluate the claimed range.

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