ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,089, issued on May 12, was assigned to SHANGHAI UNITED IMAGING HEALTHCARE Co. LTD. (Shanghai).

"Radiotherapy device and microwave source thereof" was invented by Peng Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microwave source used in the radiotherapy device can be provided. The microwave source may include an anode block and one or more cathodes. The cathode of the microwave source may include a cathode support element having a plurality of slots. The plurality of slots can be axially around a circumference of the cathode support element. The microwave source may include a cathode heater including at least one filament. A first ...