US Patent Issued to EVOLUTIONMEDVENTURES on April 29 for "Sheath stepwise dilation" (Washington, Minnesota Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,579, issued on April 29, was assigned to EVOLUTIONMEDVENTURES LLC (Plymouth, Minn.).

"Sheath stepwise dilation" was invented by Sameer Gafoor (Mercer Island, Wash.) and Ahmed Elmouelhi (Plymouth, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sheath assembly includes a first sheath, a second sheath, and an attachment mechanism. The first sheath includes a first sheath inner surface defining a first sheath lumen extending along a first sheath central longitudinal axis between a first sheath first end portion and a first sheath second end portion. The second sheath includes a second sheath inner surface defining a second sheath lumen extending ...