ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,940, issued on June 16, was assigned to Solventum Intellectual Properties Co. (Maplewood, Minn.).

"Wound therapy system with blockage and leak detection" was invented by Benjamin A. Pratt (Wimborne, Great Britain) and Justin Rice (San Antonio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wound therapy system includes a single conduit fluidly connecting a wound site to a. removed fluid canister. A negative pressure circuit is defined by the wound site, the conduit, the removed fluid canister and tubing extending between the removed fluid canister and a pneumatic pump that applies negative pressure to the negative pressure circuit. A method of oper...