ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,901, issued on Sept. 9, was assigned to KITAZATO Corp. (Fuji, Japan).

"Intrauterine tissue collection instrument" was invented by Futoshi Inoue (Fujinomiya, Japan) and Chie Inaba (Fujinomiya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intrauterine tissue collecting instrument includes a flexible outer tube, a flexible inner tube within the outer tube, and a shaft member within the inner tube. The flexible outer tube includes an outer tube distal end portion that can be open at at least three slits 4. The flexible inner tube includes an inner tube distal end portion including a plurality of side openings. The shaft member includes a dia...