US Patent Issued to St. Jude Medical Atrial Fibrillation Division on Jan. 20 for "System and method for measurement of an impedance using a catheter such as an ablation catheter" (Minnesota Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,614, issued on Jan. 20, was assigned to St. Jude Medical Atrial Fibrillation Division Inc. (Maple Grove, Minn.).

"System and method for measurement of an impedance using a catheter such as an ablation catheter" was invented by Stephan P. Miller (Minneapolis), Glen H. Kastner (Saint Michael, Minn.) and Donald Curtis Deno (Andover, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter and patch electrode system is provided for use with an ablation generator, having a 4-wire interface for improved impedance measurement. The 4-wire interface includes a pair of source connectors across which an excitation signal is produced and a pair of sense ...