ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,059, issued on July 1, was assigned to GYRUS ACMI INC. (Westborough, Mass.).

"Steam ablation device for treatment of menorrhagia" was invented by Nikhil M. Murdeshwar (Maple Grove, Minn.) and Thomas J. Holman (Princeton, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a vapor therapy device for producing intra-uterine tissue effects. The device can include a shaft, including a proximal portion and a distal portion, a fluid-expandable medium, near the distal portion of the shaft, a fluid-delivery conduit, extending between the proximal portion and the distal portion of the shaft, the fluid-delivery conduit comprising an outlet...