ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,405, issued on April 7, was assigned to Otsuka Medical Devices Co. Ltd. (Tokyo).

"Catheter having compliant balloon" was invented by James D. Mazzone (San Jose, Calif.), Eric Dailey (San Jose, Calif.), Ryan R. Donovan (Santa Clara, Calif.), Jaime Merino (Mountain View, Calif.) and Shruthi R. Thirumalai (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter comprises a catheter shaft having a fluid channel, an ultrasound transducer and a compliant balloon mounted on the catheter shaft and having an interior in fluid communication with the fluid channel and containing the ultrasound transducer. The compliant balloon includes a bal...