ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,390, issued on March 24, was assigned to Aalto University Foundation sr (Aalto, Finland).

"Mechanical wave inducing device being connectable to a needle" was invented by Gosta Ehnholm (Aalto, Finland), Matti Mikkola (Aalto, Finland), Yohann Le Bourlout (Aalto, Finland) and Heikki J. Nieminen (Aalto, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The inventive device is a mechanical wave inducing device being connectable to a needle. The device has a displacement source and a driving signal connection part in order to connect the displacement source to a signal source. The device has also two connections parts, which are connected to the dis...