ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,224, issued on April 15, was assigned to CARL FREUDENBERG KG (Weinheim, Germany).
"Wound cleaning product" was invented by Marc Pehr (Laudenbach, Germany), Birthe Lang (Weinheim, Germany) and Bernd Schlesselmann (Weinheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wound cleaning product is described as used for sterile debridement of wounds. The wound cleaning product comprises a composite material having a foam layer and a fiber layer arranged on a surface of the foam layer. The fiber layer is at least partially thermally solidified, and the foam layer and the fiber layer are connected to one another by needling such that fibers of th...