A finger-free wrist-worn pulse oximeter for the monitoring of chronic obstructive pulmonary disease

Chang-Sheng Chu; Shuang-Chao Chuang; Yeh Wen Lee; Chih-Hsun Fan; Lung Pin Chung; Yu-Tang Li; Jyh-Chern Chen

doi:10.1117/12.2222026

7 March 2016 A finger-free wrist-worn pulse oximeter for the monitoring of chronic obstructive pulmonary disease

Chang-Sheng Chu, Shuang-Chao Chuang, Yeh Wen Lee, Chih-Hsun Fan, Lung Pin Chung, Yu-Tang Li, Jyh-Chern Chen

Proceedings Volume 9698, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XIV; 96981C (2016) https://doi.org/10.1117/12.2222026
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

Herein, a finger-free wrist-worn pulse oximeter is presented. This device allows patients to measure blood oxygen level and pulse rate without hindering their normal finger movement. This wrist-worn pulse oximeter is built with a reflectance oximetry sensor, which consists of light emitting diodes and photodiode light detectors located side by side. This reflectance oximetry sensor is covered with an optical element with micro structured surface. This micro structured optical element is designed to modulate photon propagation beneath the skin tissue so that the photoplethysmogram signals of reflected lights or backscattered lights detected by the photodetector are therefore enhanced.

Citation Download Citation

Chang-Sheng Chu, Shuang-Chao Chuang, Yeh Wen Lee, Chih-Hsun Fan, Lung Pin Chung, Yu-Tang Li, and Jyh-Chern Chen "A finger-free wrist-worn pulse oximeter for the monitoring of chronic obstructive pulmonary disease", Proc. SPIE 9698, Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XIV, 96981C (7 March 2016); https://doi.org/10.1117/12.2222026

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