Patent ID: 8231551

Claim:
An elongate medical device, comprising: an inner elongate member having a proximal portion and a distal portion; a helically wound continuous wire comprising a single filament including a proximal portion having a first cross-sectional profile, a distal portion having a second cross-sectional profile different from the first cross-sectional profile, and a transition region between the first portion and the second portion, the proximal portion of the continuous wire being disposed about the proximal portion of the inner elongate member and the distal portion of the continuous wire being disposed about the distal portion of the inner elongate member; an outer tubular member disposed about at least a part of the proximal portion of the inner elongate member and at least a part of the proximal portion of the helically wound continuous wire, the outer tubular member including a wall and a plurality of slots extending through the wall; and a distal tip portion extending over and surrounding at least a part of the distal portion of the inner elongate member and at least a part of the distal portion of the helically wound continuous wire.