In-bed fibre optic breathing and movement sensor for non-intrusive monitoring

Zhihao Chen; Ju Teng Teo; Xiufeng Yang

doi:10.1117/12.807924

20 February 2009 In-bed fibre optic breathing and movement sensor for non-intrusive monitoring

Zhihao Chen, Ju Teng Teo, Xiufeng Yang

Proceedings Volume 7173, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications IX; 71730P (2009) https://doi.org/10.1117/12.807924
Event: SPIE BiOS, 2009, San Jose, California, United States

Abstract

We present a new fibre optic breathing/movement sensor for in-bed non-intrusive monitoring. The light is modulated through microbending effect during breathing/body movement. The sensing system consists of optical transmitter, optical receiver, a sensor sheet, and a computer. An algorithm was developed to extract body movement signals and report breathing rate and information on body movement of bedded person. The breathing rate measurement system shows an accuracy of +/-1 breath, which has been successfully demonstrated in field trial (FusionWorld).

Citation Download Citation

Zhihao Chen, Ju Teng Teo, and Xiufeng Yang "In-bed fibre optic breathing and movement sensor for non-intrusive monitoring", Proc. SPIE 7173, Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications IX, 71730P (20 February 2009); https://doi.org/10.1117/12.807924

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