Patent ID: 8167821
Filing Date: 2012-05-01
Classification: A61M

Abstract:
1. A guidewire for use in an anatomy of a patient, the guidewire comprising: a core wire that extends from a position adjacent a distal end of the guidewire to a position adjacent a proximal end of the guidewire, the core wire having a distal section and a proximal section; the distal section including a portion having an outside diameter that is greater than an outside diameter of the proximal section; the distal section having a length configured to extend from a first position adjacent a target site in the anatomy to a second position outside the patient during use; wherein the proximal section is 50% or more of a total length of the guidewire; wherein the distal section of the core wire has a length that is in the range of about 6 to about 18 inches; wherein the proximal section is more flexible than the distal section.