A catheter includes a steering system for manipulating the distal-end region of a sheath having a plurality of electrodes into direct contact with difficult-to-reach areas of the human body. The steering system includes a core base, a core distal tip, a stylet, a steering tendon, and a lever. Movement...http://www.google.fr/patents/US6730058?utm_source=gb-gplus-shareBrevet US6730058 - Adjustable profile steerable catheter
