US Patent Issued to St. Jude Medical Cardiology Division on March 17 for "Catheter shaft with flouropolymer inner liner and related methods" (Minnesota Inventor)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,239, issued on March 17, was assigned to St. Jude Medical Cardiology Division Inc. (St. Paul, Minn.).

"Catheter shaft with flouropolymer inner liner and related methods" was invented by Xiaoping Guo (Eden Prairie, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments include a catheter comprising a proximal handle, a distal tip, and a shaft extending between the proximal handle and the distal tip. The shaft comprises an outer polymer layer, and an inner polymer layer disposed adjacent to the outer polymer layer and defining an internal lumen. The inner polymer layer includes a blend of two or more polymers, and the blend of two or more p...