A steerable stylet for use within a lumen of an intravascular device includes a stylet assembly and a handle. The stylet assembly has a distal end portion and a proximal end portion and includes a stylet wire having a lumen and a core wire positioned within the lumen with the distal end portion secured...http://www.google.se/patents/US6776765?utm_source=gb-gplus-sharePatent US6776765 - Steerable stylet
