A type of electrical apparatus or medical device used to apply high-frequency electrical currents to the body for therapeutic purposes.
Named after Jacques-Arsène d'Arsonval, a French physicist and physiologist of the 19th century who pioneered research in high-frequency electrical currents. The device bears his name to honor his contributions.
D'Arsonval invented an early electrical therapy device in the 1890s, and his name became so associated with it that people still call the therapy 'Darsonvalism'—it's one of the few medical terms named after a living scientist!
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