ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,786, issued on July 28, was assigned to Senseonics Inc. (Germantown, Md.).

"Catalytic reactive oxygen species scavenger hydrogel" was invented by Leopoldo Torres Jr. (Germantown, Md.), Venkata Velvadapu (Germantown, Md.) and Lily Granzow (Germantown, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A medical device (e.g., an analyte sensor) that may be implanted within a living animal (e.g., a human) and may be used to measure an analyte (e.g., glucose or oxygen) in a medium (e.g., interstitial fluid, blood, or intraperitoneal fluid) within the animal. The medical device may include a polymer covering at least a portion of a surface of the medical...