Multi-spectral photoplethysmography technique for parallel monitoring of pulse shapes at different tissue depths

Lasma Asare; Edgars Kviesis-Kipge; Uldis Rubins; Oskars Rubenis; Janis Spigulis

doi:10.1117/12.889954

15 June 2011 Multi-spectral photoplethysmography technique for parallel monitoring of pulse shapes at different tissue depths

Lasma Asare, Edgars Kviesis-Kipge, Uldis Rubins, Oskars Rubenis, Janis Spigulis

Author Affiliations +

Proceedings Volume 8087, Clinical and Biomedical Spectroscopy and Imaging II; 80872E (2011) https://doi.org/10.1117/12.889954
Event: European Conferences on Biomedical Optics, 2011, Munich, Germany

Abstract

A photoplethysmography (PPG) signal can provide very useful information about a subject's hemodynamic status in a hospital or home environment. A newly developed portable multi-spectral photoplethysmography device has been used for studies of 11 healthy subjects. Multi-spectral photoplethysmography (MS-PPG) biosensor intended for analysis of peripheral blood volume pulsations at different vascular depths has been designed and experimentally tested. Multispectral monitoring was performed by means of a three-wavelengths (405 nm, 660 nm and 780 nm) laser diode and a single photodiode with multi-channel signal output processing. The proposed methodology and potential clinical applications are discussed.

Citation Download Citation

Lasma Asare, Edgars Kviesis-Kipge, Uldis Rubins, Oskars Rubenis, and Janis Spigulis "Multi-spectral photoplethysmography technique for parallel monitoring of pulse shapes at different tissue depths", Proc. SPIE 8087, Clinical and Biomedical Spectroscopy and Imaging II, 80872E (15 June 2011); https://doi.org/10.1117/12.889954

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