ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,481, issued on Jan. 13, was assigned to Solventum Intellectual Properties Co. (Maplewood, Minn.).

"System and methods for the treatment of wounds with negative pressure and instillation of peroxide pyruvic acid" was invented by Shannon C. Ingram (San Antonio) and Christopher Allen Carroll (San Antonio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for treating a tissue site is described having a dressing adapted to contact the tissue site and provide a fluid seal, and a solution source fluidly coupled to the dressing and adapted to deliver an antimicrobial solution comprising a peroxy Alpha-keto carboxylic acid, such as peroxy py...