A steerable catheter comprising a flexible elongate tubular member having proximal and distal extremities, a handle secured to the proximal extremity, said tubular member having a lumen extending therethrough, a mandrel slidably mounted in the lumen and extending into the distal extremity and means extending...http://www.google.com.au/patents/US5391147?utm_source=gb-gplus-sharePatent US5391147 - Steerable catheter with adjustable bend location and/or radius and method
