ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,583, issued on March 18, was assigned to KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY (Seoul, South Korea).

"Cavitation based tissue removal device using focused ultrasound" was invented by Ki Joo Pahk (Seoul, South Korea), Jeong Min Heo (Seoul, South Korea) and Jun Hong Park (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The tissue removal device using focused ultrasound includes a focused ultrasound output unit, a mode setting unit to set an output mode of the focused ultrasound, and a control unit to control output characteristics of the focused ultrasound according to the set mode, wherein the output mode is selected from a fir...