ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,904, issued on Oct. 21, was assigned to AngioDynamics Inc. (Latham, N.Y.).

"System and methods for removing undesirable material within a circulatory system during a surgical procedure" was invented by Lishan Aklog (Scarsdale, N.Y.) and Michael J. Glennon (Braintree, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for capturing dislodged vegetative growth during a surgical procedure is provided. The method includes maneuvering, into a circulatory system, a first cannula having a distal end and an opposing proximal end, such that the first cannula is positioned to capture the vegetative growth en bloc. A second cannula is positioned in ...