A catheter having an elongated shaft with a proximal shaft section and a distal shaft section, and having a support member with a proximal end within the proximal shaft section, a distal end within the distal shaft section, and at least a section which is coiled. In a presently preferred embodiment,...http://www.google.fr/patents/US20030208221?utm_source=gb-gplus-shareBrevet US20030208221 - Catheter with a coiled support member
