US Patent Issued to BVW Holding on April 14 for "Biliary stent" (American, German Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,491, issued on April 14, was assigned to BVW Holding AG (Cham, Switzerland).

"Biliary stent" was invented by Lukas Bluecher (Eurasberg, Germany) and Michael Milbocker (Holliston, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an endoprosthesis where a preferably polymeric coating has a number of surface features such as protrusions or textures that are arranged in a micropattern. The endoprosthesis optionally has an expanded state and a contracted state, and in some cases includes a stent with a polymeric coating attached to an outer surface of the stent. The stent may have an inner surface defining a lumen, an...