ArticleTechnology and health care : official journal of the European Society for Engineering and Medicine2020
A preliminary in vivo study of a method for measuring magneto-acoustic sonic source under electrical stimulation.
Article in Technology and health care : official journal of the European Society for Engineering and Medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 1 institution in 1 country.
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Abstract
backgroundStimulating current distribution in the tissue is unknown due to the complex distribution.
objectiveA preliminary in vivo measurement of the magneto-acoustic (MA) signal of the human finger is performed in this study. The approach for locating the magneto-acoustic source of the stimulating current is studied.
methodsWe use a lock-in amplifier to measure the MA signal under continuous wave electrical stimulation. The phase of the MA signal is used to extract the location of the sonic source. The experimental system is designed to measure the MA signal under electrical stimulation.
resultsPreliminary experiments results show that the amplitude precision is improved to less than 1 μPa. The sonic source is located with millimetre precision.
conclusionsWe propose a new MA source-locating method with high measurement and location precision. This method will be significant to the study of the imaging and monitoring of the current distribution of electrical stimulation with high precision.
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