A catheter assembly includes a catheter body extending from a deflectable distal end to a proximal end, and the catheter body includes an actuator lumen. A housing is engaged to the proximal end of the catheter body. A flexible element extends from the housing through the actuator lumen to the deflectable...http://www.google.com.au/patents/US8007463?utm_source=gb-gplus-sharePatent US8007463 - Bi-directional catheter assembly and method therefor
