US Patent Issued to Washington University on Oct. 6 for "Variable stiffness catheter and methods thereof" (Missouri Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,082, issued on Oct. 6, was assigned to Washington University (St. Louis).

"Variable stiffness catheter and methods thereof" was invented by Eric Leuthardt (St. Louis), Guy Genin (St. Louis), Mohamed Zayed (St. Louis), Daniel Hafez (St. Louis), Chase Hartquist (St. Louis), Halle Lowe (St. Louis), Vinay Chandrasekaran (St. Louis) and Joshua Osbun (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides for a variable stiffness catheter. The catheter may include an inner layer forming an inner lumen, a middle layer surrounding the inner layer, and an outer layer surrounding the middle layer. The middle layer may include an annul...