ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,174, issued on Jan. 13, was assigned to Alpfa Medical Inc. (Menlo Park, Calif.).
"Apparatus and methods for tissue ablation" 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 some embodiments, a catheter device includes a shaft and a needle, where the shaft defines a lumen configured to slidably receive the needle such that the needle can be advanced distally beyond the shaft to penetrate into a tissue site. The shaft further including a first electrode, and the needle including a second electrode, where...