ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,284, issued on Sept. 30, was assigned to Texas Heart Institute (Houston) and Board of Regents, The University of Texas System (Austin, Texas).

"Electrically conductive hydrogels usable as lead extensions, apparatus for delivery of a hydrogel into the vasculature, and methods of treating ventricular arrhythmia with electrically conductive hydrogels injected in the venous system" was invented by Elizabeth Cosgriff-Hernandez (Austin, Texas), Mathews John (Houston), Allison Post (Houston), Mehdi Razavi (Houston), Malgorzata Chwatko (Austin, Texas), Ashley Rook (Kingwood, Texas) and Thomas Wilems (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Offi...