ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,876, issued on Sept. 22, was assigned to OZYEGIN UNIVERSITES! (Istanbul).

"3 degrees of freedom ankle prosthesis" was invented by Ramazan Unal (Istanbul) and Baris Baysal (Istanbul).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ankle prosthesis or orthosis includes a tibia portion, at least one foot clamping member, at least one upper foot part, at least one lower foot part, at least a first piston, at least a second piston, which allows that internal rotational movement, inversion and eversion of the ankle joints and alignment thereof with a below-knee mechanism at 0 degrees are performed in an efficient manner is disclosed."

The patent was fi...