ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,221, issued on July 28, was assigned to Insulet Corp. (Acton, Mass.).

"Discretionary insulin delivery systems and methods" was invented by Bryan Mazlish (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of facilitating delivery of a discretionary dose of insulin to a user includes: enabling the user or a caregiver to specify, via a computer-based user interface, parameters associated with a discretionary delivery of insulin that may be delivered to the user; subsequently receiving data that represents the user's glucose level during a period of time associated with the discretionary delivery; automatically determining, with ...