ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,250, issued on Dec. 2, was assigned to Biosense Webster (Israel) Ltd. (Yokneam, Israel).

"Steerable guiding sheath with ring electrodes and related method of construction" was invented by Raymond Yue-Sing Tang (Rosemead, Calif.), Brian Raze (Yorba Linda, Calif.), Mark Griffin (Louisville, Ky.), Eric Gratz (Louisville, Ky.), Cortney Young (Louisville, Ky.) and Eric E. Bielefeld (Floyds Knobs, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A guiding sheath has a braided layer for improved deflection characteristics and ring electrodes for electrical sensing, mapping and visualization, wherein lead wires for the ring electrodes are passed through l...