ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,485, issued on April 15, was assigned to BOLT MEDICAL INC. (Carlsbad, Calif.).

"Balloon assembly for valvuloplasty catheter system" was invented by Eric Schultheis (San Clemente, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for treating a treatment site (106) within or adjacent to a heart valve (108) within a body of a patient includes the steps of generating energy with an energy source (124); receiving energy from the energy source (124) with an energy guide (122A); positioning a balloon assembly (104) adjacent to the treatment site (106), the balloon assembly (104) including an outer balloon (104B) and an inner balloon (104A) tha...