The invention relates to a catheter having a tube-like basic body with a distal end and a proximal end provided with a connecting member, at least one continuous channel and a flexible part at the distal end. In the flexible end section a pull wire, extending through the channel to the outside of the...http://www.google.es/patents/US5489270?utm_source=gb-gplus-sharePatente US5489270 - Controlled flexible catheter