ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,977, issued on Sept. 9, was assigned to Gynesonics Inc. (Redwood City, Calif.).

"Methods for monitoring ablation progress with doppler ultrasound" was invented by Jiayu Chen (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for treating tissue are disclosed. The target tissue is ablated. A real-time image of the target tissue is generated during the ablation. The real-time blood perfusion level of the target tissue is determined from the real-time image and compared to an initial blood perfusion level of the target tissue. The comparison provides a metric for the progress of the ablation, and ablation is halted w...