ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,691, issued on June 30, was assigned to ASAHI INTECC Co. LTD. (Seto, Japan).
"Catheter" was invented by Makoto Nishigishi (Seto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter having a shaft including a wire lumen, a sensor lumen that is arranged side by side with the wire lumen, a projection part that includes the wire lumen, projects to the more distal side than the distal end of the sensor lumen, and has a distal end opening in communication with the wire lumen at the distal end of the projection part, and a first notch that is formed on the more proximal end side than the projection part, and is in communication with the wire lu...