A catheter assembly includes an outer catheter member having a distal flexible end. An inner catheter member is movably disposed within the outer catheter member. Optionally, a handle assembly is coupled with the outer catheter member and the inner catheter member, where the handle assembly is adapted...http://www.google.co.uk/patents/US7674245?utm_source=gb-gplus-sharePatent US7674245 - Method and apparatus for an adjustable shape guide catheter
