ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,077, issued on Dec. 16, was assigned to AngioDynamics Inc. (Latham, N.Y.).

"Systems and methods for removing undesirable material within a circulatory system" was invented by Kevin Swift (Latham, N.Y.), Seth Cote (Nashua, N.H.) and Mark Girard (Waltham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates generally to improved systems and methods for removing undesirable material residing in vessels. More specifically, the present invention relates to systems and methods for using at least one cannula to remove substantially en bloc, from a site of obstruction or interest, undesirable material without fragmentation and ...