US Patent Issued to JAPAN LIFELINE on July 28 for "Guiding catheter" (Japanese Inventor)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,251, issued on July 28, was assigned to JAPAN LIFELINE Co. LTD. (Tokyo).

"Guiding catheter" was invented by Yasuhiro Okawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A guiding catheter includes: a shaft that includes a main lumen and a sub-lumen; a balloon attached to a distal end portion of the shaft; a distal end tip connected to a distal end side of the shaft; and a hub connected to a proximal end side of the shaft. The shaft is formed by layering: an inner layer that forms the main lumen; a first reinforcing layer formed on the inner layer; an intermediate layer formed on the first reinforcing layer and enclosing the sub-lumen; a seco...