ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,933, issued on Sept. 30, was assigned to Alpfa Medical Inc. (Menlo Park, Calif.).

"Apparatus, systems and methods for soft 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 generation and delivery of pulsed waveforms, e.g., for therapy delivery in soft tissue ablation procedures. In some embodiments, a pulse generator is configured to generate a voltage pulse train including a plurality of biphasic pulses, each biphasic pulse of the plurality of biphasic pulses including a positive pulse, a negative pulse, and an inter-phase de...