The design and realization of a new low-cost instrument for real-time measurement of blood flow particularly developed for extracorporeal blood circulator systems are presented. A self-mixing interferometric technique combined with a dedicated analog signal processing system was adopted to perform an accurate flow measurement. The developed system exhibits an accuracy lower than 3%. The cost of the entire measuring system has been estimated to be about 50 euros.
Low-Cost Optical Flowmeter With Analog Front-End Electronics for Blood Extracorporeal Circulators / M., Norgia; A., Pesatori; Rovati, Luigi. - In: IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT. - ISSN 0018-9456. - STAMPA. - 59:5(2010), pp. 1233-1239. [10.1109/TIM.2009.2038015]
Low-Cost Optical Flowmeter With Analog Front-End Electronics for Blood Extracorporeal Circulators
ROVATI, Luigi
2010
Abstract
The design and realization of a new low-cost instrument for real-time measurement of blood flow particularly developed for extracorporeal blood circulator systems are presented. A self-mixing interferometric technique combined with a dedicated analog signal processing system was adopted to perform an accurate flow measurement. The developed system exhibits an accuracy lower than 3%. The cost of the entire measuring system has been estimated to be about 50 euros.
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