Patent ID: 7998132
Filing Date: 2011-08-16
Classification: A61B,A61M

Abstract:
1. An adjustable catheter, the catheter having a distal region and a proximal region, the catheter comprising: an inner polymeric layer comprising one or more electrically actuated column stiffness enhancers, the inner polymeric layer defining a lumen, the inner polymeric layer including an outer surface; and an outer polymeric layer disposed over the inner polymeric layer, wherein the one or more electrically actuated column stiffness enhancers may be actuated by applying a current thereto; wherein the one or more electrically actuated column stiffness enhancers comprise polymeric flaps having a relaxed position in which the polymeric flaps extend into the lumen and an actuated position in which the polymeric flaps align with the outer surface of the inner polymeric layer.