ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,544,536, issued on Feb. 10, was assigned to KANEKA Corp. (Osaka, Japan).
"Electrode catheter" was invented by Toshiya Kisa (Okaya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The objective is to provide a catheter that can realize a desired curved shape by preventing the curving axis of the catheter distal part from twisting, and preventing the catheter from kinking and decreased pushability. Disclosed is a catheter (1) having a shaft (2); at least one wire (30); a coil (60); a leaf spring (40) extending in the longitudinal direction and having a first connection part where its proximal part is fixed to a distal end part of the coil (60); and a...