ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,005, issued on Oct. 27, was assigned to MEDTRONIC MINIMED INC. (Northridge, Calif.).

"Ketone body sensing device and method" was invented by Ashwin K. Rao (West Hills, Calif.), Rebecca K. Gottlieb (Culver City, Calif.) and Quyen Ong (Arcadia, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, patch sensors, and methods for detecting a ketone body are disclosed. An exemplary device includes a collection apparatus for collecting a sample amount of interstitial fluid and a ketone body indicator having an initial negative state and having a positive state when at least a threshold value of the ketone body is collected in the sample amount."...