ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,530, issued on Jan. 13, was assigned to INTERVENE INC. (Redwood City, Calif.).

"Intravascular devices and methods for delivery of fluids and therapeutic agents into blood vessel walls and intravascular structures" was invented by Fletcher T. Wilson (San Francisco), Jeffrey M. Elkins (Woodside, Calif.), Kent D. Dell (Redwood City, Calif.), Herbert Mendoza (South San Francisco, Calif.) and Michi E. Garrison (Half Moon Bay, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Intravascular devices and methods for intramural delivery of dissection fluids and infusates are disclosed herein. In some embodiments, the systems include an infusion assembly t...