ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,258, issued on Oct. 21, was assigned to Molnlycke Health Care AB (Molndal, Sweden).

"Negative pressure wound therapy (NPWT) dressing" was invented by Malin Svensson (Gothenburg, Sweden), Viktoria Skeppstedt (Vastra Frolunda, Sweden), Malin Holmen (Gothenburg, Sweden) and Elinor Bolyos (Landvetter, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a negative pressure wound therapy (NPWT) dressing that includes a backing layer, an adhesive skin contact layer, the adhesive skin contact layer being configured to detachably adhere the dressing to a dermal surface, wherein the backing layer includes a coupling member, the coupling member ...