ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,644, issued on Oct. 21.

"Ostomy bag preparation device" was invented by Nicholas Marsh Buffo (Lenexa, Kan.), Maya Rae Federle (Columbus, Ind.), Nikita Rao (Westfield, Ind.), Diya Deepak Sakhrani (O'Fallon, Mo.) and Sathveka Sembian (Libertyville, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are devices and methods of use thereof for preparing ostomy bags for attachment to a stoma. The device can include an elongated housing, a cutting tool including a blade, and a measurement guide for measuring the diameter of a stoma, each of the cutting tool and the measurement guide surrounding a given portion of the elongated housing. Th...