ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,530, issued on Nov. 4, was assigned to Pacira CryoTech Inc. (Tampa, Fla.).

"Cryogenic enhancement of joint function, alleviation of joint stiffness and/or alleviation of pain associated with osteoarthritis" was invented by Jwala Karnik (Santa Barbara, Calif.), Jason Reynolds (Santa Rosa, Calif.), John Allison (Los Altos, Calif.) and Clint Carnell (Park City, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments include a cryogenic device for alleviating pain by cryogenically treating a nerve, the cryogenic device including a handpiece; a needle coupled to a distal end of the handpiece, the needle including a needle lumen, the needle being c...