Kink-Resistant Guidewire with Improved Rigidity

摘要

A guidewire, methods of manufacture, and methods of use is described. The guidewire may include a core having one or more preformed ribs along a portion thereof. The ribs may form a portion of the outer surface of the guidewire or form a texture or shape of the outer surface of the guidewire. The ribs and outer texture of the guidewire can beneficially help the guidewire remain in a desired location in a body and help prevent or limit migration. Forming the ribs on the outer surface of the core may enable the guidewire to have greater rigidity and stiffness. The core may include a reduced diameter region distal of the ribs. The guidewire may include a cap over the reduced diameter region of the core.

主权项

1. A guidewire, comprising:
a core, comprising:
one or more ribs formed along a first portion of the core, the first portion of the core having a first diameter, wherein the one or more ribs increase the friction of the outer surface of the guidewire, anda reduced diameter region distal of the first portion having a second diameter less than the first diameter.