US Patent Issued to Varian Medical Systems on Oct. 20 for "Embolic microspheres" (Minnesota, Virginia Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,217, issued on Oct. 20, was assigned to Varian Medical Systems Inc. (Palo Alto, Calif.).

"Embolic microspheres" was invented by Hongxia Zeng (Maple Grove, Minn.), Bruce R. Forsyth (Hanover, Minn.), Hong Cao (Maple Grove, Minn.), Matthew R. DeWitt (Charlottesville, Va.) and Heidi Schwanz (Maple Grove, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some aspects, the disclosure pertains to injectable particles that contain at least one pH-altering agent that is configured to be released from the injectable particles in vivo, upon embolization of an intratumoral artery of a tumor with the injectable particles. In certain instances, the pH alter...