Wearable photoplethysmography device prototype for wireless cardiovascular monitoring

E. Kviesis-Kipge; A. Grabovskis; Z. Marcinkevics; V. Mecnika; O. Rubenis

doi:10.1117/12.2051330

8 May 2014 Wearable photoplethysmography device prototype for wireless cardiovascular monitoring

E. Kviesis-Kipge, A. Grabovskis, Z. Marcinkevics, V. Mecnika, O. Rubenis

Proceedings Volume 9129, Biophotonics: Photonic Solutions for Better Health Care IV; 91292I (2014) https://doi.org/10.1117/12.2051330
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

The aim of the study was to develop a prototype system of the smart garment for real time telemetric monitoring of human cardiovascular activity. Two types of photoplethysmography (PPG) sensors for low noise and artefact free signal recording from various sites of the human body that were suitable for integration into smart textile were investigated. The reflectance sensors with single and multiple photodiodes based on "pulse-duration-based signal conversion" signal acquisition principle were designed and evaluated. The technical parameters of the system were measured both on bench and in vivo. Overall, both types of PPG sensors showed acceptable signal quality SNR 86.56±3.00 dB, dynamic range 89.84 dB. However, in-vivo condition tests revealed lower noise and higher accuracy achieved by applying the multiple photodiodes sensor. We concluded that the proposed PPG device prototype is simple and reliable, and therefore, can be utilized in low-cost smart garments.

Citation Download Citation

E. Kviesis-Kipge, A. Grabovskis, Z. Marcinkevics, V. Mecnika, and O. Rubenis "Wearable photoplethysmography device prototype for wireless cardiovascular monitoring", Proc. SPIE 9129, Biophotonics: Photonic Solutions for Better Health Care IV, 91292I (8 May 2014); https://doi.org/10.1117/12.2051330

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