Patent ID: 8251949
Filing Date: 2012-08-28
Classification: A61F,A61M

Abstract:
1. A catheter comprising: an elongate first tubular member having a proximal section, a distal section, and a lumen extending therethrough; a balloon associated with the distal section of the first tubular member, the balloon having a proximal end and a distal end; and a wire disposed in at least the distal section of the first tubular member, the wire disposed in a spiral configuration and at least partially embedded in the tubular member, the wire including at least a first marker section of radiopaque material and a second marker section of radiopaque material, the first and second marker sections each formed of a varied density of the wire with the first marker section disposed proximate the proximal end of the balloon and the second marker section disposed proximate the distal end of the balloon.