Patent ID: 8961435
Filing Date: 2015-02-24
Classification: A61M

Abstract:
1. A coaxial guidewire utilized to introduce a sheath within a vessel of a human body, the coaxial guidewire comprising: an inner guidewire, including a spring coil that is affixed to distal end of a core wire and has a proximal end that is attached to the core wire,the inner guidewire being sized to pass through a needle that is sized to be placed within the vessel of the human body; and a hollow outer guidewire having the hollow outer guidewire being configured to be advanced over a proximal end of the inner guidewire until the distal end meets the spring coil affixed to the distal end of the core wire to assemble the coaxial guidewire, the hollow guidewire and the inner guidewire being capable of sliding relative to each other; the core wire being configured to extend proximally to a proximal end of the hollow outer guide wire when the distal end meets the spring coil; and the hollow outer guidewire having a distal opening with an inner diameter less than the outer diameter of the spring coil.