ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,403,213, issued on Sept. 2, was assigned to Solventum Intellectual Properties Co. (Maplewood, Minn.).

"Wound dressing with selective and dynamic transparency" was invented by Christopher B. Locke (Bournemouth, Great Britain) and Timothy M. Robinson (Wimbourne, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A selectively transparent wound therapy dressing, system, and method of use are provided. The dressing may include conformable foam and drape layers, wherein the drape layer has a refractive index substantially within a range of a disclosing liquid. When the disclosing liquid is applied to the drape layer, the drape layer may switch from...