Patent ID: 6488655
Filing Date: 2002-12-03
Classification: A61M

Abstract:
A balloon catheter, comprising:a) a proximal shaft section defining a proximal section of an inflation lumen, and comprising a metallic tubular member having a proximal end and a distal end, and a dual-layered polymeric jacket secured to an outer surface of the metallic tubular member, the polymeric jacket having an outer layer of a polyether block amide polymer with a coextruded inner layer of an ethylene acrylic acid copolymer adhesive bonding the outer layer to the metallic tubular member; b) a distal shaft section comprising an outer polymeric tubular member defining a distal section of the inflation lumen in fluid communication with the proximal section of the inflation lumen and having a proximal end bonded to the outer layer of the polymeric jacket, and an inner tubular member disposed within the outer tubular member and defining a guidewire receiving lumen; and c) a balloon on the distal shaft section, having an interior in fluid communication with the inflation lumen.