Patent ID: 8002715

Claim:
A medical device, comprising: an elongate core member having a proximal portion and a distal portion; a polymer jacket disposed about at least a portion of the core member, the jacket including an outer surface, the polymer jacket extending distally beyond a distal end of the core member; a lubricious coating disposed on the outer surface of the jacket; a coil disposed around at least a portion of the jacket, the coil disposed over the distal portion of the core member, the coil having an outer surface and an inner surface and including a first section and a second section; wherein at least a portion of the outer surface of the coil along the first section is flush with or recessed below the outer surface of the polymer jacket; and wherein at least a portion of the outer surface of the coil along the second section protrudes from the outer surface of the polymer jacket, is free of the coating, and defines a region of decreased lubricity; and wherein at least a portion of the inner surface of the coil along the second section contacts the polymer jacket, and wherein the first section of the coil has a first outer diameter, and the second section of the coil has a second outer diameter.