ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,157, issued on Feb. 24, was assigned to Alpfa Medical Inc. (Menlo Park, Calif.).

"Apparatus and methods for pulsed field ablation including compressible electrodes" was invented by Raju Viswanathan (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and methods described herein relate to catheter devices for therapy delivery in renal denervation applications. In some embodiments, a catheter includes a shaft having first and second sets of electrodes. In some embodiments, each electrode set can include electrodes that are spaced from one another by inter-electrode spacings and being spaced from one another by an inter-...