US Patent Issued to Smith & Nephew on Dec. 9 for "Wound dressing" (British Inventor)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,121, issued on Dec. 9, was assigned to Smith & Nephew PLC (Watford, Great Britain).

"Wound dressing" was invented by Edward Yerbury Hartwell (Hull, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus are disclosed for dressing a wound. The apparatus comprises an absorbent layer for absorbing wound exudate, a liquid impermeable, gas permeable filter layer over the absorbent layer, a cover layer comprising at least one orifice and a first liquid and gas permeable transmission layer underlying the absorbent layer. The transmission layer is in fluid communication with the filter layer."

The patent was filed on April 4, 20...