ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,163, issued on Jan. 13, was assigned to Medtronic Advanced Energy LLC (Minneapolis).

"Electrosurgical device for cutting and removing tissue" was invented by Michelle Bohner (San Francisco), Ralph I. McNall (Belmont, Calif.) and Hardev Kahlon (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Electrosurgical devices including a shaft, a handle and a distal end portion. The distal end portion is formed of an electrically conductive material and includes an electrically insulating material covering a substantial portion of the distal end portion and leaving an exposed portion which acts as an active electrode for delivery of electrical e...