A core wire insertable in a catheter guide wire assembly provides a defined degree of rigidity to the catheter assembly to allow the assembly to be maneuvered through the tortuous path of the vascular or other system of a patient. The core wire includes, at its distal end, a paddle having a substantially...http://www.google.fr/patents/US4854330?utm_source=gb-gplus-shareBrevet US4854330 - Formed core catheter guide wire assembly
