Patent ID: 8894610

Claim:
A steerable catheter, comprising: a flexible catheter body including a proximal shaft section, a transition section, and a distal articulating section; a proximal steering interface coupled to the proximal shaft section; at least one hollow axially stiffening member extending through the proximal shaft section, the at least one stiffening member being laterally offset from a geometric cross-sectional center of the proximal shaft section; a plurality of lumens extending through the transition section and the distal articulating section; and a plurality of pullwires extending through the at least one hollow stiffening member in the proximal shaft section, each pullwire further extending through a respective lumen in the transition section into the distal articulating section, each of the pullwires having a distal end that terminates in the catheter body distal to the distal articulating section and a proximal end that terminates in the proximal steering interface, wherein the proximal steering interface is manipulatable to selectively tension one or more pullwires of the plurality to bend the distal articulating section.