ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,998, issued on July 7.
"Dual-purpose hip and knee joint rehabilitation apparatus" was invented by Jin-Jhong Lin (Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dual-purpose hip and knee joint rehabilitation apparatus, which includes at least a drive device, a hip joint rehabilitation frame, and a knee joint rehabilitation frame. A user can select and mount either the hip joint rehabilitation frame or the knee joint rehabilitation frame on the drive device for use; the drive device then provides a driving force to drive and control the hip joint rehabilitation frame or the knee joint rehabilitation frame to dynamically perform a ...