ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,839, issued on July 28, was assigned to Covidien LP (Mansfield, Mass.).

"Devices, systems, and methods for transvaginal, ultrasound guided hysteroscopic surgical procedures" was invented by Chad A. Pickering (Woburn, Mass.), Arvind Rajagopalan Mohan (Dracut, Mass.), Scott J. Prior (Branford, Conn.) and Kolby A. Faria (Lowell, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transvaginal ultrasound device includes a collar, a body, and an ultrasound sensor assembly. The collar defines a longitudinal lumen configured to receive a shaft for slidably positioning the collar about the shaft. The body depends from the collar and protrudes distally re...