ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,242, issued on March 31, was assigned to National Rehabilitation Center (Seoul, South Korea).

"Electrical stimulation-based ankle muscle rehabilitation training apparatus and control method thereof" was invented by Hogene Kim (Seoul, South Korea), Joon-Ho Shin (Seoul, South Korea) and Ji-Eun Cho (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical stimulation-based ankle muscle rehabilitation training apparatus comprising: an ankle movement providing device that provides dorsiflexion, plantarflexion, eversion, inversion, supination, and pronation operations; first and second electrode pads respectively attached to the pr...