ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,166, issued on Jan. 13, was assigned to Covidien LP (Mansfield, Mass.).

"Electrosurgical pencil with blowing and suction" was invented by Jianguo Mao (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrosurgical pencil (10) includes a handle (14), a manifold (15) disposed within the handle (14), a suction tube (18) and a blower tube (16) operably coupled to the manifold (15), and an electrode assembly (20) removably coupled to the manifold (15). The suction tube (18) is configured to evacuate fluid from a surgical site and the blower tube (16) is configured to deliver fluid to a surgical site. The electrode assembly (20) includes an ou...