Patent ID: 6106485
Filing Date: 2000-08-22
Classification: A61M

Abstract:
A guidewire for intralumenal advancement of a medical device within a patient, comprising:a) an elongated core member which has a proximal core section and a distal core section, the distal core section having a smooth, non-undulating exterior surface;b) a flexible body which is disposed about and secured to a portion of the distal core section; andc) an intermediate portion which is disposed proximally adjacent the flexible body and which has an intermediate sheath disposed about the distal core section, the intermediate sheath having an exterior surface with a plurality of undulating contact regions and recessed non-contact regions disposed between contact regions, the contact regions forming a plurality of circular ridges, the intermediate sheath having a smooth, non-undulating interior surface in contact with the exterior surface of the distal core section.