Blood flow measurement in extracorporeal circulation using self-mixing laser diode

Stefano Cattini; Michele Norgia; Alessandro Pesatori; Luigi Rovati

doi:10.1117/12.840240

25 February 2010 Blood flow measurement in extracorporeal circulation using self-mixing laser diode

Stefano Cattini, Michele Norgia, Alessandro Pesatori, Luigi Rovati

Author Affiliations +

Proceedings Volume 7572, Optical Diagnostics and Sensing X: Toward Point-of-Care Diagnostics; 75720A (2010) https://doi.org/10.1117/12.840240
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

To measure blood flow rate in ex-vivo circulation, we propose an optical Doppler flowmeter based on the self-mixing effect within a laser diode (SM-LD). Advantages in adopting SM-LD techniques derive from reduced costs, ease of implementation and limited size. Moreover, the provided contactless sensing allows sensor reuse, hence further cost reduction. Preliminary measurements performed on bovine blood are reported, thus demonstrating the applicability of the proposed measurement method.

Citation Download Citation

Stefano Cattini, Michele Norgia, Alessandro Pesatori, and Luigi Rovati "Blood flow measurement in extracorporeal circulation using self-mixing laser diode", Proc. SPIE 7572, Optical Diagnostics and Sensing X: Toward Point-of-Care Diagnostics, 75720A (25 February 2010); https://doi.org/10.1117/12.840240

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