ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,119, issued on Sept. 23, was assigned to Shenb Co. Ltd. (Seoul, South Korea).
"Structure of surgical device for irradiating focused ultrasound to multiple depths and surgical method using the same" was invented by Sunyoung Kang (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "According to an exemplary embodiment, a structure of a surgical device for irradiating focused ultrasound to multiple depths includes: a motor equipped with a rotating shaft; a ball screw rotating by power of the motor, having a first external screw thread engraved on an outer side, and having an accommodation groove formed in a longitudinal direction on a po...